Home / 478,861,463.79-660,772,666.04-270,005,160.51

Finding the Fourth Proportional to 478,861,463.79, 660,772,666.04 and 270,005,160.51

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Solution

The fourth proportional to 478,861,463.79, 660,772,666.04 and 270,005,160.51 is: 372,575,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,861,463.79 : 660,772,666.04 = 270,005,160.51 : x
  2. Step 2: Convert to fraction form
    478,861,463.79/660,772,666.04 = 270,005,160.51/x
  3. Step 3: Cross multiply
    478,861,463.79x = 660,772,666.04 × 270,005,160.51
  4. Step 4: Simplify right side
    478,861,463.79x = 178,412,029,753,400,800
  5. Step 5: Solve for x
    x = 178,412,029,753,400,800/478,861,463.79
  6. Step 6: Final answer
    x = 372,575,459.18

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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.