Home / 439,951,810.80-659,927,716.20-235,878,466.80

Finding the Fourth Proportional to 439,951,810.80, 659,927,716.20 and 235,878,466.80

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Solution

The fourth proportional to 439,951,810.80, 659,927,716.20 and 235,878,466.80 is: 353,817,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,951,810.80 : 659,927,716.20 = 235,878,466.80 : x
  2. Step 2: Convert to fraction form
    439,951,810.80/659,927,716.20 = 235,878,466.80/x
  3. Step 3: Cross multiply
    439,951,810.80x = 659,927,716.20 × 235,878,466.80
  4. Step 4: Simplify right side
    439,951,810.80x = 155,662,737,896,081,536
  5. Step 5: Solve for x
    x = 155,662,737,896,081,536/439,951,810.80
  6. Step 6: Final answer
    x = 353,817,700.20

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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.