Home / 717,168,026.40-990,148,834.71-585,323,517.66

Finding the Fourth Proportional to 717,168,026.40, 990,148,834.71 and 585,323,517.66

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Solution

The fourth proportional to 717,168,026.40, 990,148,834.71 and 585,323,517.66 is: 808,119,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,168,026.40 : 990,148,834.71 = 585,323,517.66 : x
  2. Step 2: Convert to fraction form
    717,168,026.40/990,148,834.71 = 585,323,517.66/x
  3. Step 3: Cross multiply
    717,168,026.40x = 990,148,834.71 × 585,323,517.66
  4. Step 4: Simplify right side
    717,168,026.40x = 579,557,398,939,407,104
  5. Step 5: Solve for x
    x = 579,557,398,939,407,104/717,168,026.40
  6. Step 6: Final answer
    x = 808,119,405.22

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Double scale
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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.