Home / 875,191,065.76-1,207,767,309.58-473,304,814.48

Finding the Fourth Proportional to 875,191,065.76, 1,207,767,309.58 and 473,304,814.48

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Solution

The fourth proportional to 875,191,065.76, 1,207,767,309.58 and 473,304,814.48 is: 653,162,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,191,065.76 : 1,207,767,309.58 = 473,304,814.48 : x
  2. Step 2: Convert to fraction form
    875,191,065.76/1,207,767,309.58 = 473,304,814.48/x
  3. Step 3: Cross multiply
    875,191,065.76x = 1,207,767,309.58 × 473,304,814.48
  4. Step 4: Simplify right side
    875,191,065.76x = 571,642,082,395,770,624
  5. Step 5: Solve for x
    x = 571,642,082,395,770,624/875,191,065.76
  6. Step 6: Final answer
    x = 653,162,611.87

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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.