Home / 1,306,410,324.60-1,956,928,101.30-660,541,985.40

Finding the Fourth Proportional to 1,306,410,324.60, 1,956,928,101.30 and 660,541,985.40

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Solution

The fourth proportional to 1,306,410,324.60, 1,956,928,101.30 and 660,541,985.40 is: 989,454,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,410,324.60 : 1,956,928,101.30 = 660,541,985.40 : x
  2. Step 2: Convert to fraction form
    1,306,410,324.60/1,956,928,101.30 = 660,541,985.40/x
  3. Step 3: Cross multiply
    1,306,410,324.60x = 1,956,928,101.30 × 660,541,985.40
  4. Step 4: Simplify right side
    1,306,410,324.60x = 1,292,633,173,317,754,368
  5. Step 5: Solve for x
    x = 1,292,633,173,317,754,368/1,306,410,324.60
  6. Step 6: Final answer
    x = 989,454,192.90

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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.