Home / 1,070,928,007.20-1,606,392,010.80-579,451,370.40

Finding the Fourth Proportional to 1,070,928,007.20, 1,606,392,010.80 and 579,451,370.40

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Solution

The fourth proportional to 1,070,928,007.20, 1,606,392,010.80 and 579,451,370.40 is: 869,177,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,928,007.20 : 1,606,392,010.80 = 579,451,370.40 : x
  2. Step 2: Convert to fraction form
    1,070,928,007.20/1,606,392,010.80 = 579,451,370.40/x
  3. Step 3: Cross multiply
    1,070,928,007.20x = 1,606,392,010.80 × 579,451,370.40
  4. Step 4: Simplify right side
    1,070,928,007.20x = 930,826,052,057,671,552
  5. Step 5: Solve for x
    x = 930,826,052,057,671,552/1,070,928,007.20
  6. Step 6: Final answer
    x = 869,177,055.60

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Double scale
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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.