Home / 497,886,402.17-687,173,171.90-296,956,156.47

Finding the Fourth Proportional to 497,886,402.17, 687,173,171.90 and 296,956,156.47

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Solution

The fourth proportional to 497,886,402.17, 687,173,171.90 and 296,956,156.47 is: 409,853,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,886,402.17 : 687,173,171.90 = 296,956,156.47 : x
  2. Step 2: Convert to fraction form
    497,886,402.17/687,173,171.90 = 296,956,156.47/x
  3. Step 3: Cross multiply
    497,886,402.17x = 687,173,171.90 × 296,956,156.47
  4. Step 4: Simplify right side
    497,886,402.17x = 204,060,303,955,237,856
  5. Step 5: Solve for x
    x = 204,060,303,955,237,856/497,886,402.17
  6. Step 6: Final answer
    x = 409,853,137.32

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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.