Home / 770,882,948.96-1,063,819,819.11-418,459,178.40

Finding the Fourth Proportional to 770,882,948.96, 1,063,819,819.11 and 418,459,178.40

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Solution

The fourth proportional to 770,882,948.96, 1,063,819,819.11 and 418,459,178.40 is: 577,474,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,882,948.96 : 1,063,819,819.11 = 418,459,178.40 : x
  2. Step 2: Convert to fraction form
    770,882,948.96/1,063,819,819.11 = 418,459,178.40/x
  3. Step 3: Cross multiply
    770,882,948.96x = 1,063,819,819.11 × 418,459,178.40
  4. Step 4: Simplify right side
    770,882,948.96x = 445,165,167,470,407,168
  5. Step 5: Solve for x
    x = 445,165,167,470,407,168/770,882,948.96
  6. Step 6: Final answer
    x = 577,474,398.77

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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.