Home / 769,559,388.38-1,061,963,504.76-417,127,812.30

Finding the Fourth Proportional to 769,559,388.38, 1,061,963,504.76 and 417,127,812.30

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Solution

The fourth proportional to 769,559,388.38, 1,061,963,504.76 and 417,127,812.30 is: 575,620,959.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,388.38 : 1,061,963,504.76 = 417,127,812.30 : x
  2. Step 2: Convert to fraction form
    769,559,388.38/1,061,963,504.76 = 417,127,812.30/x
  3. Step 3: Cross multiply
    769,559,388.38x = 1,061,963,504.76 × 417,127,812.30
  4. Step 4: Simplify right side
    769,559,388.38x = 442,974,513,482,979,456
  5. Step 5: Solve for x
    x = 442,974,513,482,979,456/769,559,388.38
  6. Step 6: Final answer
    x = 575,620,959.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.