Home / 745,161,344,773.74-1,029,170,896,024.60-500,866,686,505.26

Finding the Fourth Proportional to 745,161,344,773.74, 1,029,170,896,024.60 and 500,866,686,505.26

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Solution

The fourth proportional to 745,161,344,773.74, 1,029,170,896,024.60 and 500,866,686,505.26 is: 691,766,179,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,161,344,773.74 : 1,029,170,896,024.60 = 500,866,686,505.26 : x
  2. Step 2: Convert to fraction form
    745,161,344,773.74/1,029,170,896,024.60 = 500,866,686,505.26/x
  3. Step 3: Cross multiply
    745,161,344,773.74x = 1,029,170,896,024.60 × 500,866,686,505.26
  4. Step 4: Simplify right side
    745,161,344,773.74x = 515,477,416,539,490,845,982,720
  5. Step 5: Solve for x
    x = 515,477,416,539,490,845,982,720/745,161,344,773.74
  6. Step 6: Final answer
    x = 691,766,179,438.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.