Home / 10,761,131,140.40-16,141,696,710.60-7,822,474,986.80

Finding the Fourth Proportional to 10,761,131,140.40, 16,141,696,710.60 and 7,822,474,986.80

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Solution

The fourth proportional to 10,761,131,140.40, 16,141,696,710.60 and 7,822,474,986.80 is: 11,733,712,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761,131,140.40 : 16,141,696,710.60 = 7,822,474,986.80 : x
  2. Step 2: Convert to fraction form
    10,761,131,140.40/16,141,696,710.60 = 7,822,474,986.80/x
  3. Step 3: Cross multiply
    10,761,131,140.40x = 16,141,696,710.60 × 7,822,474,986.80
  4. Step 4: Simplify right side
    10,761,131,140.40x = 126,268,018,763,180,343,296
  5. Step 5: Solve for x
    x = 126,268,018,763,180,343,296/10,761,131,140.40
  6. Step 6: Final answer
    x = 11,733,712,480.20

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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.