Home / 992,989,142.92-1,370,325,012.09-575,543,566.02

Finding the Fourth Proportional to 992,989,142.92, 1,370,325,012.09 and 575,543,566.02

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Solution

The fourth proportional to 992,989,142.92, 1,370,325,012.09 and 575,543,566.02 is: 794,250,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,989,142.92 : 1,370,325,012.09 = 575,543,566.02 : x
  2. Step 2: Convert to fraction form
    992,989,142.92/1,370,325,012.09 = 575,543,566.02/x
  3. Step 3: Cross multiply
    992,989,142.92x = 1,370,325,012.09 × 575,543,566.02
  4. Step 4: Simplify right side
    992,989,142.92x = 788,681,744,070,852,864
  5. Step 5: Solve for x
    x = 788,681,744,070,852,864/992,989,142.92
  6. Step 6: Final answer
    x = 794,250,118.13

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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.