Home / 1,541,490,478.87-2,126,892,253.04-872,435,509.65

Finding the Fourth Proportional to 1,541,490,478.87, 2,126,892,253.04 and 872,435,509.65

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Solution

The fourth proportional to 1,541,490,478.87, 2,126,892,253.04 and 872,435,509.65 is: 1,203,754,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,490,478.87 : 2,126,892,253.04 = 872,435,509.65 : x
  2. Step 2: Convert to fraction form
    1,541,490,478.87/2,126,892,253.04 = 872,435,509.65/x
  3. Step 3: Cross multiply
    1,541,490,478.87x = 2,126,892,253.04 × 872,435,509.65
  4. Step 4: Simplify right side
    1,541,490,478.87x = 1,855,576,326,751,589,120
  5. Step 5: Solve for x
    x = 1,855,576,326,751,589,120/1,541,490,478.87
  6. Step 6: Final answer
    x = 1,203,754,646.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.