Home / 793,225,807.20-1,189,838,710.80-482,832,770.40

Finding the Fourth Proportional to 793,225,807.20, 1,189,838,710.80 and 482,832,770.40

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Solution

The fourth proportional to 793,225,807.20, 1,189,838,710.80 and 482,832,770.40 is: 724,249,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,225,807.20 : 1,189,838,710.80 = 482,832,770.40 : x
  2. Step 2: Convert to fraction form
    793,225,807.20/1,189,838,710.80 = 482,832,770.40/x
  3. Step 3: Cross multiply
    793,225,807.20x = 1,189,838,710.80 × 482,832,770.40
  4. Step 4: Simplify right side
    793,225,807.20x = 574,493,121,064,728,320
  5. Step 5: Solve for x
    x = 574,493,121,064,728,320/793,225,807.20
  6. Step 6: Final answer
    x = 724,249,155.60

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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.