Home / 261,760,708,986.78-392,754,452,070.24-140,607,897,742.14

Finding the Fourth Proportional to 261,760,708,986.78, 392,754,452,070.24 and 140,607,897,742.14

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Solution

The fourth proportional to 261,760,708,986.78, 392,754,452,070.24 and 140,607,897,742.14 is: 210,972,754,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,760,708,986.78 : 392,754,452,070.24 = 140,607,897,742.14 : x
  2. Step 2: Convert to fraction form
    261,760,708,986.78/392,754,452,070.24 = 140,607,897,742.14/x
  3. Step 3: Cross multiply
    261,760,708,986.78x = 392,754,452,070.24 × 140,607,897,742.14
  4. Step 4: Simplify right side
    261,760,708,986.78x = 55,224,377,834,462,532,075,520
  5. Step 5: Solve for x
    x = 55,224,377,834,462,532,075,520/261,760,708,986.78
  6. Step 6: Final answer
    x = 210,972,754,651.47

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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.