Home / 13,648,285,409.40-20,472,428,114.10-11,321,849,287.80

Finding the Fourth Proportional to 13,648,285,409.40, 20,472,428,114.10 and 11,321,849,287.80

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Solution

The fourth proportional to 13,648,285,409.40, 20,472,428,114.10 and 11,321,849,287.80 is: 16,982,773,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648,285,409.40 : 20,472,428,114.10 = 11,321,849,287.80 : x
  2. Step 2: Convert to fraction form
    13,648,285,409.40/20,472,428,114.10 = 11,321,849,287.80/x
  3. Step 3: Cross multiply
    13,648,285,409.40x = 20,472,428,114.10 × 11,321,849,287.80
  4. Step 4: Simplify right side
    13,648,285,409.40x = 231,785,745,663,159,762,944
  5. Step 5: Solve for x
    x = 231,785,745,663,159,762,944/13,648,285,409.40
  6. Step 6: Final answer
    x = 16,982,773,931.70

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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.