Home / 1,091,151,659.81-1,637,762,255.78-675,370,784.94

Finding the Fourth Proportional to 1,091,151,659.81, 1,637,762,255.78 and 675,370,784.94

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Solution

The fourth proportional to 1,091,151,659.81, 1,637,762,255.78 and 675,370,784.94 is: 1,013,696,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,151,659.81 : 1,637,762,255.78 = 675,370,784.94 : x
  2. Step 2: Convert to fraction form
    1,091,151,659.81/1,637,762,255.78 = 675,370,784.94/x
  3. Step 3: Cross multiply
    1,091,151,659.81x = 1,637,762,255.78 × 675,370,784.94
  4. Step 4: Simplify right side
    1,091,151,659.81x = 1,106,096,780,227,867,008
  5. Step 5: Solve for x
    x = 1,106,096,780,227,867,008/1,091,151,659.81
  6. Step 6: Final answer
    x = 1,013,696,648.21

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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.