Home / 497,340,438.40-745,712,059.20-255,475,734.40

Finding the Fourth Proportional to 497,340,438.40, 745,712,059.20 and 255,475,734.40

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Solution

The fourth proportional to 497,340,438.40, 745,712,059.20 and 255,475,734.40 is: 383,060,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,340,438.40 : 745,712,059.20 = 255,475,734.40 : x
  2. Step 2: Convert to fraction form
    497,340,438.40/745,712,059.20 = 255,475,734.40/x
  3. Step 3: Cross multiply
    497,340,438.40x = 745,712,059.20 × 255,475,734.40
  4. Step 4: Simplify right side
    497,340,438.40x = 190,511,335,975,056,288
  5. Step 5: Solve for x
    x = 190,511,335,975,056,288/497,340,438.40
  6. Step 6: Final answer
    x = 383,060,216.43

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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.