Home / 1,488,610,564.50-2,052,759,912-986,645,053.86

Finding the Fourth Proportional to 1,488,610,564.50, 2,052,759,912 and 986,645,053.86

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Solution

The fourth proportional to 1,488,610,564.50, 2,052,759,912 and 986,645,053.86 is: 1,360,560,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,610,564.50 : 2,052,759,912 = 986,645,053.86 : x
  2. Step 2: Convert to fraction form
    1,488,610,564.50/2,052,759,912 = 986,645,053.86/x
  3. Step 3: Cross multiply
    1,488,610,564.50x = 2,052,759,912 × 986,645,053.86
  4. Step 4: Simplify right side
    1,488,610,564.50x = 2,025,345,413,936,888,832
  5. Step 5: Solve for x
    x = 2,025,345,413,936,888,832/1,488,610,564.50
  6. Step 6: Final answer
    x = 1,360,560,956.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.