Home / 818,719,119.66-1,227,729,109.41-473,910,751.02

Finding the Fourth Proportional to 818,719,119.66, 1,227,729,109.41 and 473,910,751.02

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Solution

The fourth proportional to 818,719,119.66, 1,227,729,109.41 and 473,910,751.02 is: 710,663,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,719,119.66 : 1,227,729,109.41 = 473,910,751.02 : x
  2. Step 2: Convert to fraction form
    818,719,119.66/1,227,729,109.41 = 473,910,751.02/x
  3. Step 3: Cross multiply
    818,719,119.66x = 1,227,729,109.41 × 473,910,751.02
  4. Step 4: Simplify right side
    818,719,119.66x = 581,834,024,289,608,832
  5. Step 5: Solve for x
    x = 581,834,024,289,608,832/818,719,119.66
  6. Step 6: Final answer
    x = 710,663,779.94

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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.