Home / 497,665,624.40-746,498,436.60-439,214,987.60

Finding the Fourth Proportional to 497,665,624.40, 746,498,436.60 and 439,214,987.60

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Solution

The fourth proportional to 497,665,624.40, 746,498,436.60 and 439,214,987.60 is: 658,822,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,665,624.40 : 746,498,436.60 = 439,214,987.60 : x
  2. Step 2: Convert to fraction form
    497,665,624.40/746,498,436.60 = 439,214,987.60/x
  3. Step 3: Cross multiply
    497,665,624.40x = 746,498,436.60 × 439,214,987.60
  4. Step 4: Simplify right side
    497,665,624.40x = 327,873,301,574,688,384
  5. Step 5: Solve for x
    x = 327,873,301,574,688,384/497,665,624.40
  6. Step 6: Final answer
    x = 658,822,481.40

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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.