Home / 1,013,182,578,778.20-1,520,031,111,068.30-469,023,382,609.12

Finding the Fourth Proportional to 1,013,182,578,778.20, 1,520,031,111,068.30 and 469,023,382,609.12

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Solution

The fourth proportional to 1,013,182,578,778.20, 1,520,031,111,068.30 and 469,023,382,609.12 is: 703,654,157,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,182,578,778.20 : 1,520,031,111,068.30 = 469,023,382,609.12 : x
  2. Step 2: Convert to fraction form
    1,013,182,578,778.20/1,520,031,111,068.30 = 469,023,382,609.12/x
  3. Step 3: Cross multiply
    1,013,182,578,778.20x = 1,520,031,111,068.30 × 469,023,382,609.12
  4. Step 4: Simplify right side
    1,013,182,578,778.20x = 712,930,133,384,353,110,032,384
  5. Step 5: Solve for x
    x = 712,930,133,384,353,110,032,384/1,013,182,578,778.20
  6. Step 6: Final answer
    x = 703,654,157,026.74

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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.