Home / 717,168,025.90-990,148,834.02-585,323,517.16

Finding the Fourth Proportional to 717,168,025.90, 990,148,834.02 and 585,323,517.16

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Solution

The fourth proportional to 717,168,025.90, 990,148,834.02 and 585,323,517.16 is: 808,119,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,168,025.90 : 990,148,834.02 = 585,323,517.16 : x
  2. Step 2: Convert to fraction form
    717,168,025.90/990,148,834.02 = 585,323,517.16/x
  3. Step 3: Cross multiply
    717,168,025.90x = 990,148,834.02 × 585,323,517.16
  4. Step 4: Simplify right side
    717,168,025.90x = 579,557,398,040,459,392
  5. Step 5: Solve for x
    x = 579,557,398,040,459,392/717,168,025.90
  6. Step 6: Final answer
    x = 808,119,404.53

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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.