Home / 261,721,359,514.73-392,701,323,363.60-134,325,514,073.81

Finding the Fourth Proportional to 261,721,359,514.73, 392,701,323,363.60 and 134,325,514,073.81

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Solution

The fourth proportional to 261,721,359,514.73, 392,701,323,363.60 and 134,325,514,073.81 is: 201,549,492,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,721,359,514.73 : 392,701,323,363.60 = 134,325,514,073.81 : x
  2. Step 2: Convert to fraction form
    261,721,359,514.73/392,701,323,363.60 = 134,325,514,073.81/x
  3. Step 3: Cross multiply
    261,721,359,514.73x = 392,701,323,363.60 × 134,325,514,073.81
  4. Step 4: Simplify right side
    261,721,359,514.73x = 52,749,807,138,281,055,322,112
  5. Step 5: Solve for x
    x = 52,749,807,138,281,055,322,112/261,721,359,514.73
  6. Step 6: Final answer
    x = 201,549,492,315.37

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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.