Home / 6,390,414,008.80-9,585,621,013.20-3,771,472,760.80

Finding the Fourth Proportional to 6,390,414,008.80, 9,585,621,013.20 and 3,771,472,760.80

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Solution

The fourth proportional to 6,390,414,008.80, 9,585,621,013.20 and 3,771,472,760.80 is: 5,657,209,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,414,008.80 : 9,585,621,013.20 = 3,771,472,760.80 : x
  2. Step 2: Convert to fraction form
    6,390,414,008.80/9,585,621,013.20 = 3,771,472,760.80/x
  3. Step 3: Cross multiply
    6,390,414,008.80x = 9,585,621,013.20 × 3,771,472,760.80
  4. Step 4: Simplify right side
    6,390,414,008.80x = 36,151,908,546,635,902,976
  5. Step 5: Solve for x
    x = 36,151,908,546,635,902,976/6,390,414,008.80
  6. Step 6: Final answer
    x = 5,657,209,141.20

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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.