Home / 472,393,374.20-708,590,061.30-264,918,807.80

Finding the Fourth Proportional to 472,393,374.20, 708,590,061.30 and 264,918,807.80

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Solution

The fourth proportional to 472,393,374.20, 708,590,061.30 and 264,918,807.80 is: 397,378,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,374.20 : 708,590,061.30 = 264,918,807.80 : x
  2. Step 2: Convert to fraction form
    472,393,374.20/708,590,061.30 = 264,918,807.80/x
  3. Step 3: Cross multiply
    472,393,374.20x = 708,590,061.30 × 264,918,807.80
  4. Step 4: Simplify right side
    472,393,374.20x = 187,718,834,258,524,928
  5. Step 5: Solve for x
    x = 187,718,834,258,524,928/472,393,374.20
  6. Step 6: Final answer
    x = 397,378,211.70

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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.