Home / 1,881,280,400.36-2,822,030,431.68-571,225,191.28

Finding the Fourth Proportional to 1,881,280,400.36, 2,822,030,431.68 and 571,225,191.28

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Solution

The fourth proportional to 1,881,280,400.36, 2,822,030,431.68 and 571,225,191.28 is: 856,871,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,280,400.36 : 2,822,030,431.68 = 571,225,191.28 : x
  2. Step 2: Convert to fraction form
    1,881,280,400.36/2,822,030,431.68 = 571,225,191.28/x
  3. Step 3: Cross multiply
    1,881,280,400.36x = 2,822,030,431.68 × 571,225,191.28
  4. Step 4: Simplify right side
    1,881,280,400.36x = 1,612,014,873,134,388,736
  5. Step 5: Solve for x
    x = 1,612,014,873,134,388,736/1,881,280,400.36
  6. Step 6: Final answer
    x = 856,871,135.65

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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.