Home / 1,189,728,032.30-1,784,592,048.45-1,155,715,808.30

Finding the Fourth Proportional to 1,189,728,032.30, 1,784,592,048.45 and 1,155,715,808.30

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Solution

The fourth proportional to 1,189,728,032.30, 1,784,592,048.45 and 1,155,715,808.30 is: 1,733,573,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,728,032.30 : 1,784,592,048.45 = 1,155,715,808.30 : x
  2. Step 2: Convert to fraction form
    1,189,728,032.30/1,784,592,048.45 = 1,155,715,808.30/x
  3. Step 3: Cross multiply
    1,189,728,032.30x = 1,784,592,048.45 × 1,155,715,808.30
  4. Step 4: Simplify right side
    1,189,728,032.30x = 2,062,481,241,760,144,384
  5. Step 5: Solve for x
    x = 2,062,481,241,760,144,384/1,189,728,032.30
  6. Step 6: Final answer
    x = 1,733,573,712.45

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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.