Home / 65,190,097,805.60-97,785,146,708.40-45,354,168,768.80

Finding the Fourth Proportional to 65,190,097,805.60, 97,785,146,708.40 and 45,354,168,768.80

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Solution

The fourth proportional to 65,190,097,805.60, 97,785,146,708.40 and 45,354,168,768.80 is: 68,031,253,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,097,805.60 : 97,785,146,708.40 = 45,354,168,768.80 : x
  2. Step 2: Convert to fraction form
    65,190,097,805.60/97,785,146,708.40 = 45,354,168,768.80/x
  3. Step 3: Cross multiply
    65,190,097,805.60x = 97,785,146,708.40 × 45,354,168,768.80
  4. Step 4: Simplify right side
    65,190,097,805.60x = 4,434,964,046,894,641,184,768
  5. Step 5: Solve for x
    x = 4,434,964,046,894,641,184,768/65,190,097,805.60
  6. Step 6: Final answer
    x = 68,031,253,153.20

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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.