Home / 497,664,221.20-746,496,331.80-458,249,232.40

Finding the Fourth Proportional to 497,664,221.20, 746,496,331.80 and 458,249,232.40

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Solution

The fourth proportional to 497,664,221.20, 746,496,331.80 and 458,249,232.40 is: 687,373,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,221.20 : 746,496,331.80 = 458,249,232.40 : x
  2. Step 2: Convert to fraction form
    497,664,221.20/746,496,331.80 = 458,249,232.40/x
  3. Step 3: Cross multiply
    497,664,221.20x = 746,496,331.80 × 458,249,232.40
  4. Step 4: Simplify right side
    497,664,221.20x = 342,081,371,036,765,696
  5. Step 5: Solve for x
    x = 342,081,371,036,765,696/497,664,221.20
  6. Step 6: Final answer
    x = 687,373,848.60

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1.5x scale

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.