Home / 1,181,687,849.89-1,630,734,292.61-645,850,338.14

Finding the Fourth Proportional to 1,181,687,849.89, 1,630,734,292.61 and 645,850,338.14

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Solution

The fourth proportional to 1,181,687,849.89, 1,630,734,292.61 and 645,850,338.14 is: 891,276,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,687,849.89 : 1,630,734,292.61 = 645,850,338.14 : x
  2. Step 2: Convert to fraction form
    1,181,687,849.89/1,630,734,292.61 = 645,850,338.14/x
  3. Step 3: Cross multiply
    1,181,687,849.89x = 1,630,734,292.61 × 645,850,338.14
  4. Step 4: Simplify right side
    1,181,687,849.89x = 1,053,210,294,295,621,632
  5. Step 5: Solve for x
    x = 1,053,210,294,295,621,632/1,181,687,849.89
  6. Step 6: Final answer
    x = 891,276,232.04

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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.