Home / 508,373,705.34-701,499,579.48-285,304,223.92

Finding the Fourth Proportional to 508,373,705.34, 701,499,579.48 and 285,304,223.92

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Solution

The fourth proportional to 508,373,705.34, 701,499,579.48 and 285,304,223.92 is: 393,688,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,373,705.34 : 701,499,579.48 = 285,304,223.92 : x
  2. Step 2: Convert to fraction form
    508,373,705.34/701,499,579.48 = 285,304,223.92/x
  3. Step 3: Cross multiply
    508,373,705.34x = 701,499,579.48 × 285,304,223.92
  4. Step 4: Simplify right side
    508,373,705.34x = 200,140,793,103,747,776
  5. Step 5: Solve for x
    x = 200,140,793,103,747,776/508,373,705.34
  6. Step 6: Final answer
    x = 393,688,326.13

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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.