Home / 1,329,811,401.60-1,992,977,611.20-715,071,945.60

Finding the Fourth Proportional to 1,329,811,401.60, 1,992,977,611.20 and 715,071,945.60

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Solution

The fourth proportional to 1,329,811,401.60, 1,992,977,611.20 and 715,071,945.60 is: 1,071,672,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,811,401.60 : 1,992,977,611.20 = 715,071,945.60 : x
  2. Step 2: Convert to fraction form
    1,329,811,401.60/1,992,977,611.20 = 715,071,945.60/x
  3. Step 3: Cross multiply
    1,329,811,401.60x = 1,992,977,611.20 × 715,071,945.60
  4. Step 4: Simplify right side
    1,329,811,401.60x = 1,425,122,377,978,024,448
  5. Step 5: Solve for x
    x = 1,425,122,377,978,024,448/1,329,811,401.60
  6. Step 6: Final answer
    x = 1,071,672,551.66

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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.