Home / 472,396,087.80-708,594,131.70-429,349,366.80

Finding the Fourth Proportional to 472,396,087.80, 708,594,131.70 and 429,349,366.80

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Solution

The fourth proportional to 472,396,087.80, 708,594,131.70 and 429,349,366.80 is: 644,024,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,087.80 : 708,594,131.70 = 429,349,366.80 : x
  2. Step 2: Convert to fraction form
    472,396,087.80/708,594,131.70 = 429,349,366.80/x
  3. Step 3: Cross multiply
    472,396,087.80x = 708,594,131.70 × 429,349,366.80
  4. Step 4: Simplify right side
    472,396,087.80x = 304,234,441,763,590,848
  5. Step 5: Solve for x
    x = 304,234,441,763,590,848/472,396,087.80
  6. Step 6: Final answer
    x = 644,024,050.20

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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.