Home / 1,091,871,110.40-1,637,806,665.60-898,001,433.60

Finding the Fourth Proportional to 1,091,871,110.40, 1,637,806,665.60 and 898,001,433.60

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Solution

The fourth proportional to 1,091,871,110.40, 1,637,806,665.60 and 898,001,433.60 is: 1,347,002,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,871,110.40 : 1,637,806,665.60 = 898,001,433.60 : x
  2. Step 2: Convert to fraction form
    1,091,871,110.40/1,637,806,665.60 = 898,001,433.60/x
  3. Step 3: Cross multiply
    1,091,871,110.40x = 1,637,806,665.60 × 898,001,433.60
  4. Step 4: Simplify right side
    1,091,871,110.40x = 1,470,752,733,668,435,712
  5. Step 5: Solve for x
    x = 1,470,752,733,668,435,712/1,091,871,110.40
  6. Step 6: Final answer
    x = 1,347,002,150.40

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Double scale
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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.