Home / 38,536,438,785.36-53,175,972,258.52-21,390,014,858.04

Finding the Fourth Proportional to 38,536,438,785.36, 53,175,972,258.52 and 21,390,014,858.04

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Solution

The fourth proportional to 38,536,438,785.36, 53,175,972,258.52 and 21,390,014,858.04 is: 29,515,826,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,536,438,785.36 : 53,175,972,258.52 = 21,390,014,858.04 : x
  2. Step 2: Convert to fraction form
    38,536,438,785.36/53,175,972,258.52 = 21,390,014,858.04/x
  3. Step 3: Cross multiply
    38,536,438,785.36x = 53,175,972,258.52 × 21,390,014,858.04
  4. Step 4: Simplify right side
    38,536,438,785.36x = 1,137,434,836,700,465,594,368
  5. Step 5: Solve for x
    x = 1,137,434,836,700,465,594,368/38,536,438,785.36
  6. Step 6: Final answer
    x = 29,515,826,385.40

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Double scale
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1.5x scale

Why These Related Problems?

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