Home / 841,630,555.80-1,262,445,833.70-784,234,927.80

Finding the Fourth Proportional to 841,630,555.80, 1,262,445,833.70 and 784,234,927.80

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Solution

The fourth proportional to 841,630,555.80, 1,262,445,833.70 and 784,234,927.80 is: 1,176,352,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,630,555.80 : 1,262,445,833.70 = 784,234,927.80 : x
  2. Step 2: Convert to fraction form
    841,630,555.80/1,262,445,833.70 = 784,234,927.80/x
  3. Step 3: Cross multiply
    841,630,555.80x = 1,262,445,833.70 × 784,234,927.80
  4. Step 4: Simplify right side
    841,630,555.80x = 990,054,117,243,130,240
  5. Step 5: Solve for x
    x = 990,054,117,243,130,240/841,630,555.80
  6. Step 6: Final answer
    x = 1,176,352,391.70

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Double scale
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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.