Home / 832,061,057.60-1,248,091,586.40-402,079,361.60

Finding the Fourth Proportional to 832,061,057.60, 1,248,091,586.40 and 402,079,361.60

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Solution

The fourth proportional to 832,061,057.60, 1,248,091,586.40 and 402,079,361.60 is: 603,119,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,061,057.60 : 1,248,091,586.40 = 402,079,361.60 : x
  2. Step 2: Convert to fraction form
    832,061,057.60/1,248,091,586.40 = 402,079,361.60/x
  3. Step 3: Cross multiply
    832,061,057.60x = 1,248,091,586.40 × 402,079,361.60
  4. Step 4: Simplify right side
    832,061,057.60x = 501,831,868,278,043,328
  5. Step 5: Solve for x
    x = 501,831,868,278,043,328/832,061,057.60
  6. Step 6: Final answer
    x = 603,119,042.40

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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.