Home / 1,180,760,121.60-1,771,896,009.60-689,472,441.60

Finding the Fourth Proportional to 1,180,760,121.60, 1,771,896,009.60 and 689,472,441.60

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Solution

The fourth proportional to 1,180,760,121.60, 1,771,896,009.60 and 689,472,441.60 is: 1,034,650,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,760,121.60 : 1,771,896,009.60 = 689,472,441.60 : x
  2. Step 2: Convert to fraction form
    1,180,760,121.60/1,771,896,009.60 = 689,472,441.60/x
  3. Step 3: Cross multiply
    1,180,760,121.60x = 1,771,896,009.60 × 689,472,441.60
  4. Step 4: Simplify right side
    1,180,760,121.60x = 1,221,673,468,000,208,896
  5. Step 5: Solve for x
    x = 1,221,673,468,000,208,896/1,180,760,121.60
  6. Step 6: Final answer
    x = 1,034,650,006.93

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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.