Home / 442,868,004.60-664,302,006.90-296,509,153.20

Finding the Fourth Proportional to 442,868,004.60, 664,302,006.90 and 296,509,153.20

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Solution

The fourth proportional to 442,868,004.60, 664,302,006.90 and 296,509,153.20 is: 444,763,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,004.60 : 664,302,006.90 = 296,509,153.20 : x
  2. Step 2: Convert to fraction form
    442,868,004.60/664,302,006.90 = 296,509,153.20/x
  3. Step 3: Cross multiply
    442,868,004.60x = 664,302,006.90 × 296,509,153.20
  4. Step 4: Simplify right side
    442,868,004.60x = 196,971,625,534,979,552
  5. Step 5: Solve for x
    x = 196,971,625,534,979,552/442,868,004.60
  6. Step 6: Final answer
    x = 444,763,729.80

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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.