Home / 1,368,332,223.28-1,888,225,742.40-773,581,148.56

Finding the Fourth Proportional to 1,368,332,223.28, 1,888,225,742.40 and 773,581,148.56

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Solution

The fourth proportional to 1,368,332,223.28, 1,888,225,742.40 and 773,581,148.56 is: 1,067,500,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,332,223.28 : 1,888,225,742.40 = 773,581,148.56 : x
  2. Step 2: Convert to fraction form
    1,368,332,223.28/1,888,225,742.40 = 773,581,148.56/x
  3. Step 3: Cross multiply
    1,368,332,223.28x = 1,888,225,742.40 × 773,581,148.56
  4. Step 4: Simplify right side
    1,368,332,223.28x = 1,460,695,838,546,350,592
  5. Step 5: Solve for x
    x = 1,460,695,838,546,350,592/1,368,332,223.28
  6. Step 6: Final answer
    x = 1,067,500,869.81

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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.