Home / 462,960,469.28-638,886,080.27-251,267,303.14

Finding the Fourth Proportional to 462,960,469.28, 638,886,080.27 and 251,267,303.14

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Solution

The fourth proportional to 462,960,469.28, 638,886,080.27 and 251,267,303.14 is: 346,749,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,960,469.28 : 638,886,080.27 = 251,267,303.14 : x
  2. Step 2: Convert to fraction form
    462,960,469.28/638,886,080.27 = 251,267,303.14/x
  3. Step 3: Cross multiply
    462,960,469.28x = 638,886,080.27 × 251,267,303.14
  4. Step 4: Simplify right side
    462,960,469.28x = 160,531,182,402,159,424
  5. Step 5: Solve for x
    x = 160,531,182,402,159,424/462,960,469.28
  6. Step 6: Final answer
    x = 346,749,221.70

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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.