Home / 13,486,352,963.28-18,610,763,055-7,465,105,175.64

Finding the Fourth Proportional to 13,486,352,963.28, 18,610,763,055 and 7,465,105,175.64

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Solution

The fourth proportional to 13,486,352,963.28, 18,610,763,055 and 7,465,105,175.64 is: 10,301,621,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,352,963.28 : 18,610,763,055 = 7,465,105,175.64 : x
  2. Step 2: Convert to fraction form
    13,486,352,963.28/18,610,763,055 = 7,465,105,175.64/x
  3. Step 3: Cross multiply
    13,486,352,963.28x = 18,610,763,055 × 7,465,105,175.64
  4. Step 4: Simplify right side
    13,486,352,963.28x = 138,931,303,604,490,207,232
  5. Step 5: Solve for x
    x = 138,931,303,604,490,207,232/13,486,352,963.28
  6. Step 6: Final answer
    x = 10,301,621,497.14

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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.