Home / 510,129,702.42-703,956,342.61-284,080,345.42

Finding the Fourth Proportional to 510,129,702.42, 703,956,342.61 and 284,080,345.42

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Solution

The fourth proportional to 510,129,702.42, 703,956,342.61 and 284,080,345.42 is: 392,018,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,129,702.42 : 703,956,342.61 = 284,080,345.42 : x
  2. Step 2: Convert to fraction form
    510,129,702.42/703,956,342.61 = 284,080,345.42/x
  3. Step 3: Cross multiply
    510,129,702.42x = 703,956,342.61 × 284,080,345.42
  4. Step 4: Simplify right side
    510,129,702.42x = 199,980,160,964,308,512
  5. Step 5: Solve for x
    x = 199,980,160,964,308,512/510,129,702.42
  6. Step 6: Final answer
    x = 392,018,265.19

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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.