Home / 771,492,632.06-1,064,659,023.15-419,068,902.62

Finding the Fourth Proportional to 771,492,632.06, 1,064,659,023.15 and 419,068,902.62

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Solution

The fourth proportional to 771,492,632.06, 1,064,659,023.15 and 419,068,902.62 is: 578,314,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,492,632.06 : 1,064,659,023.15 = 419,068,902.62 : x
  2. Step 2: Convert to fraction form
    771,492,632.06/1,064,659,023.15 = 419,068,902.62/x
  3. Step 3: Cross multiply
    771,492,632.06x = 1,064,659,023.15 × 419,068,902.62
  4. Step 4: Simplify right side
    771,492,632.06x = 446,165,488,495,951,680
  5. Step 5: Solve for x
    x = 446,165,488,495,951,680/771,492,632.06
  6. Step 6: Final answer
    x = 578,314,646.12

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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.