Home / 12,877,088,138.40-19,315,632,207.60-10,550,652,016.80

Finding the Fourth Proportional to 12,877,088,138.40, 19,315,632,207.60 and 10,550,652,016.80

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Solution

The fourth proportional to 12,877,088,138.40, 19,315,632,207.60 and 10,550,652,016.80 is: 15,825,978,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,088,138.40 : 19,315,632,207.60 = 10,550,652,016.80 : x
  2. Step 2: Convert to fraction form
    12,877,088,138.40/19,315,632,207.60 = 10,550,652,016.80/x
  3. Step 3: Cross multiply
    12,877,088,138.40x = 19,315,632,207.60 × 10,550,652,016.80
  4. Step 4: Simplify right side
    12,877,088,138.40x = 203,792,513,906,881,953,792
  5. Step 5: Solve for x
    x = 203,792,513,906,881,953,792/12,877,088,138.40
  6. Step 6: Final answer
    x = 15,825,978,025.20

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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.