Home / 1,029,016,991.12-1,543,522,432.74-292,087,519.38

Finding the Fourth Proportional to 1,029,016,991.12, 1,543,522,432.74 and 292,087,519.38

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Solution

The fourth proportional to 1,029,016,991.12, 1,543,522,432.74 and 292,087,519.38 is: 438,130,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,016,991.12 : 1,543,522,432.74 = 292,087,519.38 : x
  2. Step 2: Convert to fraction form
    1,029,016,991.12/1,543,522,432.74 = 292,087,519.38/x
  3. Step 3: Cross multiply
    1,029,016,991.12x = 1,543,522,432.74 × 292,087,519.38
  4. Step 4: Simplify right side
    1,029,016,991.12x = 450,843,638,486,409,472
  5. Step 5: Solve for x
    x = 450,843,638,486,409,472/1,029,016,991.12
  6. Step 6: Final answer
    x = 438,130,412.21

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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.