Home / 472,565,344.80-708,848,017.20-408,864,352.80

Finding the Fourth Proportional to 472,565,344.80, 708,848,017.20 and 408,864,352.80

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Solution

The fourth proportional to 472,565,344.80, 708,848,017.20 and 408,864,352.80 is: 613,296,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,565,344.80 : 708,848,017.20 = 408,864,352.80 : x
  2. Step 2: Convert to fraction form
    472,565,344.80/708,848,017.20 = 408,864,352.80/x
  3. Step 3: Cross multiply
    472,565,344.80x = 708,848,017.20 × 408,864,352.80
  4. Step 4: Simplify right side
    472,565,344.80x = 289,822,685,786,041,280
  5. Step 5: Solve for x
    x = 289,822,685,786,041,280/472,565,344.80
  6. Step 6: Final answer
    x = 613,296,529.20

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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.