Home / 12,127,711,208.40-18,191,566,812.60-2,936,852,456.40

Finding the Fourth Proportional to 12,127,711,208.40, 18,191,566,812.60 and 2,936,852,456.40

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Solution

The fourth proportional to 12,127,711,208.40, 18,191,566,812.60 and 2,936,852,456.40 is: 4,405,278,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,711,208.40 : 18,191,566,812.60 = 2,936,852,456.40 : x
  2. Step 2: Convert to fraction form
    12,127,711,208.40/18,191,566,812.60 = 2,936,852,456.40/x
  3. Step 3: Cross multiply
    12,127,711,208.40x = 18,191,566,812.60 × 2,936,852,456.40
  4. Step 4: Simplify right side
    12,127,711,208.40x = 53,425,947,679,349,022,720
  5. Step 5: Solve for x
    x = 53,425,947,679,349,022,720/12,127,711,208.40
  6. Step 6: Final answer
    x = 4,405,278,684.60

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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.