Home / 261,141,886,416.96-391,711,514,781.60-101,981,148,014.88

Finding the Fourth Proportional to 261,141,886,416.96, 391,711,514,781.60 and 101,981,148,014.88

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Solution

The fourth proportional to 261,141,886,416.96, 391,711,514,781.60 and 101,981,148,014.88 is: 152,971,208,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,141,886,416.96 : 391,711,514,781.60 = 101,981,148,014.88 : x
  2. Step 2: Convert to fraction form
    261,141,886,416.96/391,711,514,781.60 = 101,981,148,014.88/x
  3. Step 3: Cross multiply
    261,141,886,416.96x = 391,711,514,781.60 × 101,981,148,014.88
  4. Step 4: Simplify right side
    261,141,886,416.96x = 39,947,189,968,075,204,067,328
  5. Step 5: Solve for x
    x = 39,947,189,968,075,204,067,328/261,141,886,416.96
  6. Step 6: Final answer
    x = 152,971,208,549.41

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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.