Home / 472,396,359.80-708,594,539.70-407,773,134.20

Finding the Fourth Proportional to 472,396,359.80, 708,594,539.70 and 407,773,134.20

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Solution

The fourth proportional to 472,396,359.80, 708,594,539.70 and 407,773,134.20 is: 611,659,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,359.80 : 708,594,539.70 = 407,773,134.20 : x
  2. Step 2: Convert to fraction form
    472,396,359.80/708,594,539.70 = 407,773,134.20/x
  3. Step 3: Cross multiply
    472,396,359.80x = 708,594,539.70 × 407,773,134.20
  4. Step 4: Simplify right side
    472,396,359.80x = 288,945,816,330,475,328
  5. Step 5: Solve for x
    x = 288,945,816,330,475,328/472,396,359.80
  6. Step 6: Final answer
    x = 611,659,701.30

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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.