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Finding the Fourth Proportional to 128,884,284,949.60, 193,326,427,424.40 and 128,884,284,949.60

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Solution

The fourth proportional to 128,884,284,949.60, 193,326,427,424.40 and 128,884,284,949.60 is: 193,326,427,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,884,284,949.60 : 193,326,427,424.40 = 128,884,284,949.60 : x
  2. Step 2: Convert to fraction form
    128,884,284,949.60/193,326,427,424.40 = 128,884,284,949.60/x
  3. Step 3: Cross multiply
    128,884,284,949.60x = 193,326,427,424.40 × 128,884,284,949.60
  4. Step 4: Simplify right side
    128,884,284,949.60x = 24,916,738,360,454,533,873,664
  5. Step 5: Solve for x
    x = 24,916,738,360,454,533,873,664/128,884,284,949.60
  6. Step 6: Final answer
    x = 193,326,427,424.40

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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.