Home / 31,352,832,021.20-47,029,248,031.80-13,904,561,109.20

Finding the Fourth Proportional to 31,352,832,021.20, 47,029,248,031.80 and 13,904,561,109.20

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Solution

The fourth proportional to 31,352,832,021.20, 47,029,248,031.80 and 13,904,561,109.20 is: 20,856,841,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352,832,021.20 : 47,029,248,031.80 = 13,904,561,109.20 : x
  2. Step 2: Convert to fraction form
    31,352,832,021.20/47,029,248,031.80 = 13,904,561,109.20/x
  3. Step 3: Cross multiply
    31,352,832,021.20x = 47,029,248,031.80 × 13,904,561,109.20
  4. Step 4: Simplify right side
    31,352,832,021.20x = 653,921,053,177,887,064,064
  5. Step 5: Solve for x
    x = 653,921,053,177,887,064,064/31,352,832,021.20
  6. Step 6: Final answer
    x = 20,856,841,663.80

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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.