Home / 1,022,402,669.20-1,533,604,003.80-613,248,211.60

Finding the Fourth Proportional to 1,022,402,669.20, 1,533,604,003.80 and 613,248,211.60

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Solution

The fourth proportional to 1,022,402,669.20, 1,533,604,003.80 and 613,248,211.60 is: 919,872,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,402,669.20 : 1,533,604,003.80 = 613,248,211.60 : x
  2. Step 2: Convert to fraction form
    1,022,402,669.20/1,533,604,003.80 = 613,248,211.60/x
  3. Step 3: Cross multiply
    1,022,402,669.20x = 1,533,604,003.80 × 613,248,211.60
  4. Step 4: Simplify right side
    1,022,402,669.20x = 940,479,912,632,949,632
  5. Step 5: Solve for x
    x = 940,479,912,632,949,632/1,022,402,669.20
  6. Step 6: Final answer
    x = 919,872,317.40

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Double scale
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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.