Home / 1,091,151,655.56-1,637,762,249.40-675,370,780.69

Finding the Fourth Proportional to 1,091,151,655.56, 1,637,762,249.40 and 675,370,780.69

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Solution

The fourth proportional to 1,091,151,655.56, 1,637,762,249.40 and 675,370,780.69 is: 1,013,696,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,151,655.56 : 1,637,762,249.40 = 675,370,780.69 : x
  2. Step 2: Convert to fraction form
    1,091,151,655.56/1,637,762,249.40 = 675,370,780.69/x
  3. Step 3: Cross multiply
    1,091,151,655.56x = 1,637,762,249.40 × 675,370,780.69
  4. Step 4: Simplify right side
    1,091,151,655.56x = 1,106,096,768,961,888,640
  5. Step 5: Solve for x
    x = 1,106,096,768,961,888,640/1,091,151,655.56
  6. Step 6: Final answer
    x = 1,013,696,641.82

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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.