Home / 344,990,865.60-517,486,298.40-215,850,702.60

Finding the Fourth Proportional to 344,990,865.60, 517,486,298.40 and 215,850,702.60

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Solution

The fourth proportional to 344,990,865.60, 517,486,298.40 and 215,850,702.60 is: 323,776,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,990,865.60 : 517,486,298.40 = 215,850,702.60 : x
  2. Step 2: Convert to fraction form
    344,990,865.60/517,486,298.40 = 215,850,702.60/x
  3. Step 3: Cross multiply
    344,990,865.60x = 517,486,298.40 × 215,850,702.60
  4. Step 4: Simplify right side
    344,990,865.60x = 111,699,781,095,513,248
  5. Step 5: Solve for x
    x = 111,699,781,095,513,248/344,990,865.60
  6. Step 6: Final answer
    x = 323,776,053.90

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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.