Home / 876,581,497.86-1,209,683,646.12-474,695,947.56

Finding the Fourth Proportional to 876,581,497.86, 1,209,683,646.12 and 474,695,947.56

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Solution

The fourth proportional to 876,581,497.86, 1,209,683,646.12 and 474,695,947.56 is: 655,081,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,581,497.86 : 1,209,683,646.12 = 474,695,947.56 : x
  2. Step 2: Convert to fraction form
    876,581,497.86/1,209,683,646.12 = 474,695,947.56/x
  3. Step 3: Cross multiply
    876,581,497.86x = 1,209,683,646.12 × 474,695,947.56
  4. Step 4: Simplify right side
    876,581,497.86x = 574,231,924,642,769,088
  5. Step 5: Solve for x
    x = 574,231,924,642,769,088/876,581,497.86
  6. Step 6: Final answer
    x = 655,081,046.14

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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.