Home / 913,608,387.75-1,368,052,418.08-630,541,020.40

Finding the Fourth Proportional to 913,608,387.75, 1,368,052,418.08 and 630,541,020.40

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Solution

The fourth proportional to 913,608,387.75, 1,368,052,418.08 and 630,541,020.40 is: 944,182,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,608,387.75 : 1,368,052,418.08 = 630,541,020.40 : x
  2. Step 2: Convert to fraction form
    913,608,387.75/1,368,052,418.08 = 630,541,020.40/x
  3. Step 3: Cross multiply
    913,608,387.75x = 1,368,052,418.08 × 630,541,020.40
  4. Step 4: Simplify right side
    913,608,387.75x = 862,613,167,653,697,920
  5. Step 5: Solve for x
    x = 862,613,167,653,697,920/913,608,387.75
  6. Step 6: Final answer
    x = 944,182,627.06

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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.