Home / 1,488,610,567.89-2,052,759,916.62-986,645,057.22

Finding the Fourth Proportional to 1,488,610,567.89, 2,052,759,916.62 and 986,645,057.22

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Solution

The fourth proportional to 1,488,610,567.89, 2,052,759,916.62 and 986,645,057.22 is: 1,360,560,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,610,567.89 : 2,052,759,916.62 = 986,645,057.22 : x
  2. Step 2: Convert to fraction form
    1,488,610,567.89/2,052,759,916.62 = 986,645,057.22/x
  3. Step 3: Cross multiply
    1,488,610,567.89x = 2,052,759,916.62 × 986,645,057.22
  4. Step 4: Simplify right side
    1,488,610,567.89x = 2,025,345,425,392,462,336
  5. Step 5: Solve for x
    x = 2,025,345,425,392,462,336/1,488,610,567.89
  6. Step 6: Final answer
    x = 1,360,560,961.40

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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.