Home / 514,644,841.60-772,111,377.60-208,152,246.40

Finding the Fourth Proportional to 514,644,841.60, 772,111,377.60 and 208,152,246.40

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Solution

The fourth proportional to 514,644,841.60, 772,111,377.60 and 208,152,246.40 is: 312,286,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,644,841.60 : 772,111,377.60 = 208,152,246.40 : x
  2. Step 2: Convert to fraction form
    514,644,841.60/772,111,377.60 = 208,152,246.40/x
  3. Step 3: Cross multiply
    514,644,841.60x = 772,111,377.60 × 208,152,246.40
  4. Step 4: Simplify right side
    514,644,841.60x = 160,716,717,718,438,656
  5. Step 5: Solve for x
    x = 160,716,717,718,438,656/514,644,841.60
  6. Step 6: Final answer
    x = 312,286,658.15

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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.