Home / 472,392,396.10-708,588,594.15-144,865,307.80

Finding the Fourth Proportional to 472,392,396.10, 708,588,594.15 and 144,865,307.80

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Solution

The fourth proportional to 472,392,396.10, 708,588,594.15 and 144,865,307.80 is: 217,297,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,396.10 : 708,588,594.15 = 144,865,307.80 : x
  2. Step 2: Convert to fraction form
    472,392,396.10/708,588,594.15 = 144,865,307.80/x
  3. Step 3: Cross multiply
    472,392,396.10x = 708,588,594.15 × 144,865,307.80
  4. Step 4: Simplify right side
    472,392,396.10x = 102,649,904,795,109,040
  5. Step 5: Solve for x
    x = 102,649,904,795,109,040/472,392,396.10
  6. Step 6: Final answer
    x = 217,297,961.70

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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.