Home / 261,760,708,987.78-392,754,452,071.74-140,607,897,743.14

Finding the Fourth Proportional to 261,760,708,987.78, 392,754,452,071.74 and 140,607,897,743.14

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Solution

The fourth proportional to 261,760,708,987.78, 392,754,452,071.74 and 140,607,897,743.14 is: 210,972,754,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,760,708,987.78 : 392,754,452,071.74 = 140,607,897,743.14 : x
  2. Step 2: Convert to fraction form
    261,760,708,987.78/392,754,452,071.74 = 140,607,897,743.14/x
  3. Step 3: Cross multiply
    261,760,708,987.78x = 392,754,452,071.74 × 140,607,897,743.14
  4. Step 4: Simplify right side
    261,760,708,987.78x = 55,224,377,835,066,201,473,024
  5. Step 5: Solve for x
    x = 55,224,377,835,066,201,473,024/261,760,708,987.78
  6. Step 6: Final answer
    x = 210,972,754,652.97

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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.