Home / 65,190,097,809.10-97,785,146,713.65-45,354,168,772.30

Finding the Fourth Proportional to 65,190,097,809.10, 97,785,146,713.65 and 45,354,168,772.30

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Solution

The fourth proportional to 65,190,097,809.10, 97,785,146,713.65 and 45,354,168,772.30 is: 68,031,253,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,097,809.10 : 97,785,146,713.65 = 45,354,168,772.30 : x
  2. Step 2: Convert to fraction form
    65,190,097,809.10/97,785,146,713.65 = 45,354,168,772.30/x
  3. Step 3: Cross multiply
    65,190,097,809.10x = 97,785,146,713.65 × 45,354,168,772.30
  4. Step 4: Simplify right side
    65,190,097,809.10x = 4,434,964,047,474,998,640,640
  5. Step 5: Solve for x
    x = 4,434,964,047,474,998,640,640/65,190,097,809.10
  6. Step 6: Final answer
    x = 68,031,253,158.45

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Double scale
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Similar ratio
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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.