Home / 579,312,874.80-868,969,312.20-575,281,796.40

Finding the Fourth Proportional to 579,312,874.80, 868,969,312.20 and 575,281,796.40

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Solution

The fourth proportional to 579,312,874.80, 868,969,312.20 and 575,281,796.40 is: 862,922,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,312,874.80 : 868,969,312.20 = 575,281,796.40 : x
  2. Step 2: Convert to fraction form
    579,312,874.80/868,969,312.20 = 575,281,796.40/x
  3. Step 3: Cross multiply
    579,312,874.80x = 868,969,312.20 × 575,281,796.40
  4. Step 4: Simplify right side
    579,312,874.80x = 499,902,226,938,888,448
  5. Step 5: Solve for x
    x = 499,902,226,938,888,448/579,312,874.80
  6. Step 6: Final answer
    x = 862,922,694.60

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Double scale
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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.