Home / 5,191,421,882.92-7,164,068,811.76-2,933,312,927.13

Finding the Fourth Proportional to 5,191,421,882.92, 7,164,068,811.76 and 2,933,312,927.13

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Solution

The fourth proportional to 5,191,421,882.92, 7,164,068,811.76 and 2,933,312,927.13 is: 4,047,919,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,421,882.92 : 7,164,068,811.76 = 2,933,312,927.13 : x
  2. Step 2: Convert to fraction form
    5,191,421,882.92/7,164,068,811.76 = 2,933,312,927.13/x
  3. Step 3: Cross multiply
    5,191,421,882.92x = 7,164,068,811.76 × 2,933,312,927.13
  4. Step 4: Simplify right side
    5,191,421,882.92x = 21,014,455,656,384,466,944
  5. Step 5: Solve for x
    x = 21,014,455,656,384,466,944/5,191,421,882.92
  6. Step 6: Final answer
    x = 4,047,919,073.10

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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.