Home / 473,001,960.40-709,149,046.20-257,834,165.20

Finding the Fourth Proportional to 473,001,960.40, 709,149,046.20 and 257,834,165.20

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Solution

The fourth proportional to 473,001,960.40, 709,149,046.20 and 257,834,165.20 is: 386,558,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,001,960.40 : 709,149,046.20 = 257,834,165.20 : x
  2. Step 2: Convert to fraction form
    473,001,960.40/709,149,046.20 = 257,834,165.20/x
  3. Step 3: Cross multiply
    473,001,960.40x = 709,149,046.20 × 257,834,165.20
  4. Step 4: Simplify right side
    473,001,960.40x = 182,842,852,329,353,248
  5. Step 5: Solve for x
    x = 182,842,852,329,353,248/473,001,960.40
  6. Step 6: Final answer
    x = 386,558,339.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.