Home / 649,502,347.83-896,319,900.72-352,145,165.10

Finding the Fourth Proportional to 649,502,347.83, 896,319,900.72 and 352,145,165.10

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Solution

The fourth proportional to 649,502,347.83, 896,319,900.72 and 352,145,165.10 is: 485,963,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,502,347.83 : 896,319,900.72 = 352,145,165.10 : x
  2. Step 2: Convert to fraction form
    649,502,347.83/896,319,900.72 = 352,145,165.10/x
  3. Step 3: Cross multiply
    649,502,347.83x = 896,319,900.72 × 352,145,165.10
  4. Step 4: Simplify right side
    649,502,347.83x = 315,634,719,418,098,816
  5. Step 5: Solve for x
    x = 315,634,719,418,098,816/649,502,347.83
  6. Step 6: Final answer
    x = 485,963,939.12

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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.