Home / 882,568,986.46-1,218,000,514.34-486,091,897.18

Finding the Fourth Proportional to 882,568,986.46, 1,218,000,514.34 and 486,091,897.18

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Solution

The fourth proportional to 882,568,986.46, 1,218,000,514.34 and 486,091,897.18 is: 670,837,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,568,986.46 : 1,218,000,514.34 = 486,091,897.18 : x
  2. Step 2: Convert to fraction form
    882,568,986.46/1,218,000,514.34 = 486,091,897.18/x
  3. Step 3: Cross multiply
    882,568,986.46x = 1,218,000,514.34 × 486,091,897.18
  4. Step 4: Simplify right side
    882,568,986.46x = 592,060,180,781,746,304
  5. Step 5: Solve for x
    x = 592,060,180,781,746,304/882,568,986.46
  6. Step 6: Final answer
    x = 670,837,282.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.