Home / 497,664,339.20-746,496,508.80-458,249,350.40

Finding the Fourth Proportional to 497,664,339.20, 746,496,508.80 and 458,249,350.40

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Solution

The fourth proportional to 497,664,339.20, 746,496,508.80 and 458,249,350.40 is: 687,374,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,339.20 : 746,496,508.80 = 458,249,350.40 : x
  2. Step 2: Convert to fraction form
    497,664,339.20/746,496,508.80 = 458,249,350.40/x
  3. Step 3: Cross multiply
    497,664,339.20x = 746,496,508.80 × 458,249,350.40
  4. Step 4: Simplify right side
    497,664,339.20x = 342,081,540,233,467,840
  5. Step 5: Solve for x
    x = 342,081,540,233,467,840/497,664,339.20
  6. Step 6: Final answer
    x = 687,374,025.60

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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.