Home / 832,061,208.60-1,248,091,812.90-402,079,512.60

Finding the Fourth Proportional to 832,061,208.60, 1,248,091,812.90 and 402,079,512.60

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Solution

The fourth proportional to 832,061,208.60, 1,248,091,812.90 and 402,079,512.60 is: 603,119,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,061,208.60 : 1,248,091,812.90 = 402,079,512.60 : x
  2. Step 2: Convert to fraction form
    832,061,208.60/1,248,091,812.90 = 402,079,512.60/x
  3. Step 3: Cross multiply
    832,061,208.60x = 1,248,091,812.90 × 402,079,512.60
  4. Step 4: Simplify right side
    832,061,208.60x = 501,832,147,810,882,432
  5. Step 5: Solve for x
    x = 501,832,147,810,882,432/832,061,208.60
  6. Step 6: Final answer
    x = 603,119,268.90

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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.