Home / 875,606,114.20-1,312,542,867.30-414,734,229.40

Finding the Fourth Proportional to 875,606,114.20, 1,312,542,867.30 and 414,734,229.40

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Solution

The fourth proportional to 875,606,114.20, 1,312,542,867.30 and 414,734,229.40 is: 621,691,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,606,114.20 : 1,312,542,867.30 = 414,734,229.40 : x
  2. Step 2: Convert to fraction form
    875,606,114.20/1,312,542,867.30 = 414,734,229.40/x
  3. Step 3: Cross multiply
    875,606,114.20x = 1,312,542,867.30 × 414,734,229.40
  4. Step 4: Simplify right side
    875,606,114.20x = 544,356,454,624,131,904
  5. Step 5: Solve for x
    x = 544,356,454,624,131,904/875,606,114.20
  6. Step 6: Final answer
    x = 621,691,015.85

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1.5x scale

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.