Home / 1,268,038,124.94-1,902,510,262.54-771,059,764.02

Finding the Fourth Proportional to 1,268,038,124.94, 1,902,510,262.54 and 771,059,764.02

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Solution

The fourth proportional to 1,268,038,124.94, 1,902,510,262.54 and 771,059,764.02 is: 1,156,865,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,038,124.94 : 1,902,510,262.54 = 771,059,764.02 : x
  2. Step 2: Convert to fraction form
    1,268,038,124.94/1,902,510,262.54 = 771,059,764.02/x
  3. Step 3: Cross multiply
    1,268,038,124.94x = 1,902,510,262.54 × 771,059,764.02
  4. Step 4: Simplify right side
    1,268,038,124.94x = 1,466,949,114,079,720,704
  5. Step 5: Solve for x
    x = 1,466,949,114,079,720,704/1,268,038,124.94
  6. Step 6: Final answer
    x = 1,156,865,148.79

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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.