Home / 963,321,132.26-1,329,419,705.89-539,942,618.63

Finding the Fourth Proportional to 963,321,132.26, 1,329,419,705.89 and 539,942,618.63

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Solution

The fourth proportional to 963,321,132.26, 1,329,419,705.89 and 539,942,618.63 is: 745,141,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,321,132.26 : 1,329,419,705.89 = 539,942,618.63 : x
  2. Step 2: Convert to fraction form
    963,321,132.26/1,329,419,705.89 = 539,942,618.63/x
  3. Step 3: Cross multiply
    963,321,132.26x = 1,329,419,705.89 × 539,942,618.63
  4. Step 4: Simplify right side
    963,321,132.26x = 717,810,357,256,571,136
  5. Step 5: Solve for x
    x = 717,810,357,256,571,136/963,321,132.26
  6. Step 6: Final answer
    x = 745,141,296.31

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1.5x scale

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.