Home / 1,113,144,078.60-1,669,716,117.90-386,206,273.80

Finding the Fourth Proportional to 1,113,144,078.60, 1,669,716,117.90 and 386,206,273.80

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Solution

The fourth proportional to 1,113,144,078.60, 1,669,716,117.90 and 386,206,273.80 is: 579,309,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,144,078.60 : 1,669,716,117.90 = 386,206,273.80 : x
  2. Step 2: Convert to fraction form
    1,113,144,078.60/1,669,716,117.90 = 386,206,273.80/x
  3. Step 3: Cross multiply
    1,113,144,078.60x = 1,669,716,117.90 × 386,206,273.80
  4. Step 4: Simplify right side
    1,113,144,078.60x = 644,854,840,197,960,576
  5. Step 5: Solve for x
    x = 644,854,840,197,960,576/1,113,144,078.60
  6. Step 6: Final answer
    x = 579,309,410.70

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Double scale
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Similar ratio
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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.