Home / 5,279,418,000.10-7,919,127,000.15-2,830,537,872.10

Finding the Fourth Proportional to 5,279,418,000.10, 7,919,127,000.15 and 2,830,537,872.10

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Solution

The fourth proportional to 5,279,418,000.10, 7,919,127,000.15 and 2,830,537,872.10 is: 4,245,806,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,418,000.10 : 7,919,127,000.15 = 2,830,537,872.10 : x
  2. Step 2: Convert to fraction form
    5,279,418,000.10/7,919,127,000.15 = 2,830,537,872.10/x
  3. Step 3: Cross multiply
    5,279,418,000.10x = 7,919,127,000.15 × 2,830,537,872.10
  4. Step 4: Simplify right side
    5,279,418,000.10x = 22,415,388,887,894,237,184
  5. Step 5: Solve for x
    x = 22,415,388,887,894,237,184/5,279,418,000.10
  6. Step 6: Final answer
    x = 4,245,806,808.15

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Double scale
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1.5x scale

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.