Home / 439,918,200.90-658,176,690.15-286,863,192.90

Finding the Fourth Proportional to 439,918,200.90, 658,176,690.15 and 286,863,192.90

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Solution

The fourth proportional to 439,918,200.90, 658,176,690.15 and 286,863,192.90 is: 429,185,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,918,200.90 : 658,176,690.15 = 286,863,192.90 : x
  2. Step 2: Convert to fraction form
    439,918,200.90/658,176,690.15 = 286,863,192.90/x
  3. Step 3: Cross multiply
    439,918,200.90x = 658,176,690.15 × 286,863,192.90
  4. Step 4: Simplify right side
    439,918,200.90x = 188,806,666,828,782,944
  5. Step 5: Solve for x
    x = 188,806,666,828,782,944/439,918,200.90
  6. Step 6: Final answer
    x = 429,185,849.65

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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.