Home / 377,890,807.60-566,836,211.40-159,787,421.20

Finding the Fourth Proportional to 377,890,807.60, 566,836,211.40 and 159,787,421.20

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Solution

The fourth proportional to 377,890,807.60, 566,836,211.40 and 159,787,421.20 is: 239,681,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,890,807.60 : 566,836,211.40 = 159,787,421.20 : x
  2. Step 2: Convert to fraction form
    377,890,807.60/566,836,211.40 = 159,787,421.20/x
  3. Step 3: Cross multiply
    377,890,807.60x = 566,836,211.40 × 159,787,421.20
  4. Step 4: Simplify right side
    377,890,807.60x = 90,573,296,462,384,032
  5. Step 5: Solve for x
    x = 90,573,296,462,384,032/377,890,807.60
  6. Step 6: Final answer
    x = 239,681,131.80

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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.