Home / 1,091,871,146.40-1,637,806,719.60-898,001,469.60

Finding the Fourth Proportional to 1,091,871,146.40, 1,637,806,719.60 and 898,001,469.60

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Solution

The fourth proportional to 1,091,871,146.40, 1,637,806,719.60 and 898,001,469.60 is: 1,347,002,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,871,146.40 : 1,637,806,719.60 = 898,001,469.60 : x
  2. Step 2: Convert to fraction form
    1,091,871,146.40/1,637,806,719.60 = 898,001,469.60/x
  3. Step 3: Cross multiply
    1,091,871,146.40x = 1,637,806,719.60 × 898,001,469.60
  4. Step 4: Simplify right side
    1,091,871,146.40x = 1,470,752,841,121,555,200
  5. Step 5: Solve for x
    x = 1,470,752,841,121,555,200/1,091,871,146.40
  6. Step 6: Final answer
    x = 1,347,002,204.40

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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.