Home / 1,419,264,221.40-2,128,896,332.10-807,734,698.20

Finding the Fourth Proportional to 1,419,264,221.40, 2,128,896,332.10 and 807,734,698.20

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Solution

The fourth proportional to 1,419,264,221.40, 2,128,896,332.10 and 807,734,698.20 is: 1,211,602,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,264,221.40 : 2,128,896,332.10 = 807,734,698.20 : x
  2. Step 2: Convert to fraction form
    1,419,264,221.40/2,128,896,332.10 = 807,734,698.20/x
  3. Step 3: Cross multiply
    1,419,264,221.40x = 2,128,896,332.10 × 807,734,698.20
  4. Step 4: Simplify right side
    1,419,264,221.40x = 1,719,583,436,307,880,448
  5. Step 5: Solve for x
    x = 1,719,583,436,307,880,448/1,419,264,221.40
  6. Step 6: Final answer
    x = 1,211,602,047.30

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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.