Home / 1,003,240,867.80-1,504,861,301.70-773,658,355.80

Finding the Fourth Proportional to 1,003,240,867.80, 1,504,861,301.70 and 773,658,355.80

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Solution

The fourth proportional to 1,003,240,867.80, 1,504,861,301.70 and 773,658,355.80 is: 1,160,487,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,240,867.80 : 1,504,861,301.70 = 773,658,355.80 : x
  2. Step 2: Convert to fraction form
    1,003,240,867.80/1,504,861,301.70 = 773,658,355.80/x
  3. Step 3: Cross multiply
    1,003,240,867.80x = 1,504,861,301.70 × 773,658,355.80
  4. Step 4: Simplify right side
    1,003,240,867.80x = 1,164,248,520,380,269,824
  5. Step 5: Solve for x
    x = 1,164,248,520,380,269,824/1,003,240,867.80
  6. Step 6: Final answer
    x = 1,160,487,533.70

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Half scale
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Double scale
Find fourth proportional to 1,003,240,868.80, 1,504,861,303.20 and 773,658,356.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.