Home / 629,367,617.60-943,043,656.80-413,704,923.20

Finding the Fourth Proportional to 629,367,617.60, 943,043,656.80 and 413,704,923.20

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Solution

The fourth proportional to 629,367,617.60, 943,043,656.80 and 413,704,923.20 is: 619,894,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,367,617.60 : 943,043,656.80 = 413,704,923.20 : x
  2. Step 2: Convert to fraction form
    629,367,617.60/943,043,656.80 = 413,704,923.20/x
  3. Step 3: Cross multiply
    629,367,617.60x = 943,043,656.80 × 413,704,923.20
  4. Step 4: Simplify right side
    629,367,617.60x = 390,141,803,610,691,136
  5. Step 5: Solve for x
    x = 390,141,803,610,691,136/629,367,617.60
  6. Step 6: Final answer
    x = 619,894,943.27

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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.