Home / 811,342,707,527.60-1,217,053,199,648-266,779,148,724.20

Finding the Fourth Proportional to 811,342,707,527.60, 1,217,053,199,648 and 266,779,148,724.20

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Solution

The fourth proportional to 811,342,707,527.60, 1,217,053,199,648 and 266,779,148,724.20 is: 400,181,592,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,342,707,527.60 : 1,217,053,199,648 = 266,779,148,724.20 : x
  2. Step 2: Convert to fraction form
    811,342,707,527.60/1,217,053,199,648 = 266,779,148,724.20/x
  3. Step 3: Cross multiply
    811,342,707,527.60x = 1,217,053,199,648 × 266,779,148,724.20
  4. Step 4: Simplify right side
    811,342,707,527.60x = 324,684,416,554,157,278,756,864
  5. Step 5: Solve for x
    x = 324,684,416,554,157,278,756,864/811,342,707,527.60
  6. Step 6: Final answer
    x = 400,181,592,244.25

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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.