Home / 367,921,146.30-551,881,719.45-286,291,808.70

Finding the Fourth Proportional to 367,921,146.30, 551,881,719.45 and 286,291,808.70

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Solution

The fourth proportional to 367,921,146.30, 551,881,719.45 and 286,291,808.70 is: 429,437,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,921,146.30 : 551,881,719.45 = 286,291,808.70 : x
  2. Step 2: Convert to fraction form
    367,921,146.30/551,881,719.45 = 286,291,808.70/x
  3. Step 3: Cross multiply
    367,921,146.30x = 551,881,719.45 × 286,291,808.70
  4. Step 4: Simplify right side
    367,921,146.30x = 157,999,215,649,806,464
  5. Step 5: Solve for x
    x = 157,999,215,649,806,464/367,921,146.30
  6. Step 6: Final answer
    x = 429,437,713.05

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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.