Home / 580,633,066.60-870,949,599.90-521,510,583.40

Finding the Fourth Proportional to 580,633,066.60, 870,949,599.90 and 521,510,583.40

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Solution

The fourth proportional to 580,633,066.60, 870,949,599.90 and 521,510,583.40 is: 782,265,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,633,066.60 : 870,949,599.90 = 521,510,583.40 : x
  2. Step 2: Convert to fraction form
    580,633,066.60/870,949,599.90 = 521,510,583.40/x
  3. Step 3: Cross multiply
    580,633,066.60x = 870,949,599.90 × 521,510,583.40
  4. Step 4: Simplify right side
    580,633,066.60x = 454,209,433,955,845,568
  5. Step 5: Solve for x
    x = 454,209,433,955,845,568/580,633,066.60
  6. Step 6: Final answer
    x = 782,265,875.10

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Double scale
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Similar ratio
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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.