Home / 1,124,691,186.98-1,687,148,180.68-415,825,614.59

Finding the Fourth Proportional to 1,124,691,186.98, 1,687,148,180.68 and 415,825,614.59

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Solution

The fourth proportional to 1,124,691,186.98, 1,687,148,180.68 and 415,825,614.59 is: 623,779,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,691,186.98 : 1,687,148,180.68 = 415,825,614.59 : x
  2. Step 2: Convert to fraction form
    1,124,691,186.98/1,687,148,180.68 = 415,825,614.59/x
  3. Step 3: Cross multiply
    1,124,691,186.98x = 1,687,148,180.68 × 415,825,614.59
  4. Step 4: Simplify right side
    1,124,691,186.98x = 701,559,429,126,185,984
  5. Step 5: Solve for x
    x = 701,559,429,126,185,984/1,124,691,186.98
  6. Step 6: Final answer
    x = 623,779,609.24

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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.