Home / 2,172,128,561.60-3,258,192,842.40-1,301,415,627.20

Finding the Fourth Proportional to 2,172,128,561.60, 3,258,192,842.40 and 1,301,415,627.20

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Solution

The fourth proportional to 2,172,128,561.60, 3,258,192,842.40 and 1,301,415,627.20 is: 1,952,123,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,128,561.60 : 3,258,192,842.40 = 1,301,415,627.20 : x
  2. Step 2: Convert to fraction form
    2,172,128,561.60/3,258,192,842.40 = 1,301,415,627.20/x
  3. Step 3: Cross multiply
    2,172,128,561.60x = 3,258,192,842.40 × 1,301,415,627.20
  4. Step 4: Simplify right side
    2,172,128,561.60x = 4,240,263,081,530,547,200
  5. Step 5: Solve for x
    x = 4,240,263,081,530,547,200/2,172,128,561.60
  6. Step 6: Final answer
    x = 1,952,123,440.80

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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.