Home / 832,061,998.60-1,248,092,997.90-402,080,302.60

Finding the Fourth Proportional to 832,061,998.60, 1,248,092,997.90 and 402,080,302.60

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Solution

The fourth proportional to 832,061,998.60, 1,248,092,997.90 and 402,080,302.60 is: 603,120,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,061,998.60 : 1,248,092,997.90 = 402,080,302.60 : x
  2. Step 2: Convert to fraction form
    832,061,998.60/1,248,092,997.90 = 402,080,302.60/x
  3. Step 3: Cross multiply
    832,061,998.60x = 1,248,092,997.90 × 402,080,302.60
  4. Step 4: Simplify right side
    832,061,998.60x = 501,833,610,268,573,248
  5. Step 5: Solve for x
    x = 501,833,610,268,573,248/832,061,998.60
  6. Step 6: Final answer
    x = 603,120,453.90

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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.