Home / 1,888,591,147.60-2,832,886,721.40-661,600,166.80

Finding the Fourth Proportional to 1,888,591,147.60, 2,832,886,721.40 and 661,600,166.80

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Solution

The fourth proportional to 1,888,591,147.60, 2,832,886,721.40 and 661,600,166.80 is: 992,400,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,591,147.60 : 2,832,886,721.40 = 661,600,166.80 : x
  2. Step 2: Convert to fraction form
    1,888,591,147.60/2,832,886,721.40 = 661,600,166.80/x
  3. Step 3: Cross multiply
    1,888,591,147.60x = 2,832,886,721.40 × 661,600,166.80
  4. Step 4: Simplify right side
    1,888,591,147.60x = 1,874,238,327,403,745,024
  5. Step 5: Solve for x
    x = 1,874,238,327,403,745,024/1,888,591,147.60
  6. Step 6: Final answer
    x = 992,400,250.20

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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.