Home / 18,488,355,439.84-25,513,979,959.92-10,030,179,217.12

Finding the Fourth Proportional to 18,488,355,439.84, 25,513,979,959.92 and 10,030,179,217.12

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Solution

The fourth proportional to 18,488,355,439.84, 25,513,979,959.92 and 10,030,179,217.12 is: 13,841,674,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488,355,439.84 : 25,513,979,959.92 = 10,030,179,217.12 : x
  2. Step 2: Convert to fraction form
    18,488,355,439.84/25,513,979,959.92 = 10,030,179,217.12/x
  3. Step 3: Cross multiply
    18,488,355,439.84x = 25,513,979,959.92 × 10,030,179,217.12
  4. Step 4: Simplify right side
    18,488,355,439.84x = 255,909,791,540,005,765,120
  5. Step 5: Solve for x
    x = 255,909,791,540,005,765,120/18,488,355,439.84
  6. Step 6: Final answer
    x = 13,841,674,148.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.