Home / 261,760,708,987.03-392,754,452,070.60-140,607,897,742.39

Finding the Fourth Proportional to 261,760,708,987.03, 392,754,452,070.60 and 140,607,897,742.39

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Solution

The fourth proportional to 261,760,708,987.03, 392,754,452,070.60 and 140,607,897,742.39 is: 210,972,754,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,760,708,987.03 : 392,754,452,070.60 = 140,607,897,742.39 : x
  2. Step 2: Convert to fraction form
    261,760,708,987.03/392,754,452,070.60 = 140,607,897,742.39/x
  3. Step 3: Cross multiply
    261,760,708,987.03x = 392,754,452,070.60 × 140,607,897,742.39
  4. Step 4: Simplify right side
    261,760,708,987.03x = 55,224,377,834,611,337,592,832
  5. Step 5: Solve for x
    x = 55,224,377,834,611,337,592,832/261,760,708,987.03
  6. Step 6: Final answer
    x = 210,972,754,651.84

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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.