Home / 19,893,591,000.90-27,465,545,204.19-12,663,717,837.12

Finding the Fourth Proportional to 19,893,591,000.90, 27,465,545,204.19 and 12,663,717,837.12

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Solution

The fourth proportional to 19,893,591,000.90, 27,465,545,204.19 and 12,663,717,837.12 is: 17,483,817,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893,591,000.90 : 27,465,545,204.19 = 12,663,717,837.12 : x
  2. Step 2: Convert to fraction form
    19,893,591,000.90/27,465,545,204.19 = 12,663,717,837.12/x
  3. Step 3: Cross multiply
    19,893,591,000.90x = 27,465,545,204.19 × 12,663,717,837.12
  4. Step 4: Simplify right side
    19,893,591,000.90x = 347,815,914,708,526,563,328
  5. Step 5: Solve for x
    x = 347,815,914,708,526,563,328/19,893,591,000.90
  6. Step 6: Final answer
    x = 17,483,817,511.52

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1.5x scale

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.