Home / 747,147,514.40-1,119,209,617.20-517,376,045.60

Finding the Fourth Proportional to 747,147,514.40, 1,119,209,617.20 and 517,376,045.60

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Solution

The fourth proportional to 747,147,514.40, 1,119,209,617.20 and 517,376,045.60 is: 775,017,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,147,514.40 : 1,119,209,617.20 = 517,376,045.60 : x
  2. Step 2: Convert to fraction form
    747,147,514.40/1,119,209,617.20 = 517,376,045.60/x
  3. Step 3: Cross multiply
    747,147,514.40x = 1,119,209,617.20 × 517,376,045.60
  4. Step 4: Simplify right side
    747,147,514.40x = 579,052,245,944,425,856
  5. Step 5: Solve for x
    x = 579,052,245,944,425,856/747,147,514.40
  6. Step 6: Final answer
    x = 775,017,295.49

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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.