Home / 1,164,592,105.20-1,607,135,705.60-688,454,080.38

Finding the Fourth Proportional to 1,164,592,105.20, 1,607,135,705.60 and 688,454,080.38

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Solution

The fourth proportional to 1,164,592,105.20, 1,607,135,705.60 and 688,454,080.38 is: 950,065,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,592,105.20 : 1,607,135,705.60 = 688,454,080.38 : x
  2. Step 2: Convert to fraction form
    1,164,592,105.20/1,607,135,705.60 = 688,454,080.38/x
  3. Step 3: Cross multiply
    1,164,592,105.20x = 1,607,135,705.60 × 688,454,080.38
  4. Step 4: Simplify right side
    1,164,592,105.20x = 1,106,439,134,241,268,096
  5. Step 5: Solve for x
    x = 1,106,439,134,241,268,096/1,164,592,105.20
  6. Step 6: Final answer
    x = 950,065,803.56

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Double scale
Find fourth proportional to 1,164,592,106.20, 1,607,135,706.98 and 688,454,081.38
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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.