Home / 1,379,537,140.32-1,903,477,067.28-792,712,902.24

Finding the Fourth Proportional to 1,379,537,140.32, 1,903,477,067.28 and 792,712,902.24

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Solution

The fourth proportional to 1,379,537,140.32, 1,903,477,067.28 and 792,712,902.24 is: 1,093,780,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,537,140.32 : 1,903,477,067.28 = 792,712,902.24 : x
  2. Step 2: Convert to fraction form
    1,379,537,140.32/1,903,477,067.28 = 792,712,902.24/x
  3. Step 3: Cross multiply
    1,379,537,140.32x = 1,903,477,067.28 × 792,712,902.24
  4. Step 4: Simplify right side
    1,379,537,140.32x = 1,508,910,830,350,812,416
  5. Step 5: Solve for x
    x = 1,508,910,830,350,812,416/1,379,537,140.32
  6. Step 6: Final answer
    x = 1,093,780,505.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.