Home / 11,447,730,310.22-15,787,209,458.86-7,429,103,671.28

Finding the Fourth Proportional to 11,447,730,310.22, 15,787,209,458.86 and 7,429,103,671.28

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Solution

The fourth proportional to 11,447,730,310.22, 15,787,209,458.86 and 7,429,103,671.28 is: 10,245,246,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447,730,310.22 : 15,787,209,458.86 = 7,429,103,671.28 : x
  2. Step 2: Convert to fraction form
    11,447,730,310.22/15,787,209,458.86 = 7,429,103,671.28/x
  3. Step 3: Cross multiply
    11,447,730,310.22x = 15,787,209,458.86 × 7,429,103,671.28
  4. Step 4: Simplify right side
    11,447,730,310.22x = 117,284,815,750,083,166,208
  5. Step 5: Solve for x
    x = 117,284,815,750,083,166,208/11,447,730,310.22
  6. Step 6: Final answer
    x = 10,245,246,225.39

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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.