Home / 832,061,405.10-1,248,092,107.65-402,079,709.10

Finding the Fourth Proportional to 832,061,405.10, 1,248,092,107.65 and 402,079,709.10

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Solution

The fourth proportional to 832,061,405.10, 1,248,092,107.65 and 402,079,709.10 is: 603,119,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,061,405.10 : 1,248,092,107.65 = 402,079,709.10 : x
  2. Step 2: Convert to fraction form
    832,061,405.10/1,248,092,107.65 = 402,079,709.10/x
  3. Step 3: Cross multiply
    832,061,405.10x = 1,248,092,107.65 × 402,079,709.10
  4. Step 4: Simplify right side
    832,061,405.10x = 501,832,511,573,917,952
  5. Step 5: Solve for x
    x = 501,832,511,573,917,952/832,061,405.10
  6. Step 6: Final answer
    x = 603,119,563.65

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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.