Home / 814,744,760.12-1,124,371,856.85-577,015,257.59

Finding the Fourth Proportional to 814,744,760.12, 1,124,371,856.85 and 577,015,257.59

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Solution

The fourth proportional to 814,744,760.12, 1,124,371,856.85 and 577,015,257.59 is: 796,298,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,744,760.12 : 1,124,371,856.85 = 577,015,257.59 : x
  2. Step 2: Convert to fraction form
    814,744,760.12/1,124,371,856.85 = 577,015,257.59/x
  3. Step 3: Cross multiply
    814,744,760.12x = 1,124,371,856.85 × 577,015,257.59
  4. Step 4: Simplify right side
    814,744,760.12x = 648,779,716,607,249,280
  5. Step 5: Solve for x
    x = 648,779,716,607,249,280/814,744,760.12
  6. Step 6: Final answer
    x = 796,298,114.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.