Home / 788,680,472.56-1,082,679,727.79-676,977,387.12

Finding the Fourth Proportional to 788,680,472.56, 1,082,679,727.79 and 676,977,387.12

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Solution

The fourth proportional to 788,680,472.56, 1,082,679,727.79 and 676,977,387.12 is: 929,336,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,680,472.56 : 1,082,679,727.79 = 676,977,387.12 : x
  2. Step 2: Convert to fraction form
    788,680,472.56/1,082,679,727.79 = 676,977,387.12/x
  3. Step 3: Cross multiply
    788,680,472.56x = 1,082,679,727.79 × 676,977,387.12
  4. Step 4: Simplify right side
    788,680,472.56x = 732,949,693,208,759,552
  5. Step 5: Solve for x
    x = 732,949,693,208,759,552/788,680,472.56
  6. Step 6: Final answer
    x = 929,336,681.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.