Home / 1,400,320,909.61-2,100,844,537.63-744,732,842.57

Finding the Fourth Proportional to 1,400,320,909.61, 2,100,844,537.63 and 744,732,842.57

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Solution

The fourth proportional to 1,400,320,909.61, 2,100,844,537.63 and 744,732,842.57 is: 1,117,292,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,320,909.61 : 2,100,844,537.63 = 744,732,842.57 : x
  2. Step 2: Convert to fraction form
    1,400,320,909.61/2,100,844,537.63 = 744,732,842.57/x
  3. Step 3: Cross multiply
    1,400,320,909.61x = 2,100,844,537.63 × 744,732,842.57
  4. Step 4: Simplify right side
    1,400,320,909.61x = 1,564,567,924,294,481,408
  5. Step 5: Solve for x
    x = 1,564,567,924,294,481,408/1,400,320,909.61
  6. Step 6: Final answer
    x = 1,117,292,410.31

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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.