Home / 797,790,115.32-1,198,501,209.72-577,142,039.40

Finding the Fourth Proportional to 797,790,115.32, 1,198,501,209.72 and 577,142,039.40

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Solution

The fourth proportional to 797,790,115.32, 1,198,501,209.72 and 577,142,039.40 is: 867,026,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,790,115.32 : 1,198,501,209.72 = 577,142,039.40 : x
  2. Step 2: Convert to fraction form
    797,790,115.32/1,198,501,209.72 = 577,142,039.40/x
  3. Step 3: Cross multiply
    797,790,115.32x = 1,198,501,209.72 × 577,142,039.40
  4. Step 4: Simplify right side
    797,790,115.32x = 691,705,432,401,167,872
  5. Step 5: Solve for x
    x = 691,705,432,401,167,872/797,790,115.32
  6. Step 6: Final answer
    x = 867,026,827.13

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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.