Home / 503,456,124.20-694,776,649.28-288,909,731.64

Finding the Fourth Proportional to 503,456,124.20, 694,776,649.28 and 288,909,731.64

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Solution

The fourth proportional to 503,456,124.20, 694,776,649.28 and 288,909,731.64 is: 398,699,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,456,124.20 : 694,776,649.28 = 288,909,731.64 : x
  2. Step 2: Convert to fraction form
    503,456,124.20/694,776,649.28 = 288,909,731.64/x
  3. Step 3: Cross multiply
    503,456,124.20x = 694,776,649.28 × 288,909,731.64
  4. Step 4: Simplify right side
    503,456,124.20x = 200,727,735,293,223,168
  5. Step 5: Solve for x
    x = 200,727,735,293,223,168/503,456,124.20
  6. Step 6: Final answer
    x = 398,699,560.19

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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.