Home / 13,608,645,807.60-20,412,968,711.40-10,853,655,663.60

Finding the Fourth Proportional to 13,608,645,807.60, 20,412,968,711.40 and 10,853,655,663.60

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Solution

The fourth proportional to 13,608,645,807.60, 20,412,968,711.40 and 10,853,655,663.60 is: 16,280,483,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,645,807.60 : 20,412,968,711.40 = 10,853,655,663.60 : x
  2. Step 2: Convert to fraction form
    13,608,645,807.60/20,412,968,711.40 = 10,853,655,663.60/x
  3. Step 3: Cross multiply
    13,608,645,807.60x = 20,412,968,711.40 × 10,853,655,663.60
  4. Step 4: Simplify right side
    13,608,645,807.60x = 221,555,333,465,376,227,328
  5. Step 5: Solve for x
    x = 221,555,333,465,376,227,328/13,608,645,807.60
  6. Step 6: Final answer
    x = 16,280,483,495.40

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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.