Home / 1,250,663,242.12-1,876,010,828.34-330,531,631

Finding the Fourth Proportional to 1,250,663,242.12, 1,876,010,828.34 and 330,531,631

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Solution

The fourth proportional to 1,250,663,242.12, 1,876,010,828.34 and 330,531,631 is: 495,801,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,663,242.12 : 1,876,010,828.34 = 330,531,631 : x
  2. Step 2: Convert to fraction form
    1,250,663,242.12/1,876,010,828.34 = 330,531,631/x
  3. Step 3: Cross multiply
    1,250,663,242.12x = 1,876,010,828.34 × 330,531,631
  4. Step 4: Simplify right side
    1,250,663,242.12x = 620,080,918,864,881,152
  5. Step 5: Solve for x
    x = 620,080,918,864,881,152/1,250,663,242.12
  6. Step 6: Final answer
    x = 495,801,665.85

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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.