Home / 2,585,386,372.98-3,878,624,287.02-838,452,893.70

Finding the Fourth Proportional to 2,585,386,372.98, 3,878,624,287.02 and 838,452,893.70

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Solution

The fourth proportional to 2,585,386,372.98, 3,878,624,287.02 and 838,452,893.70 is: 1,257,855,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,386,372.98 : 3,878,624,287.02 = 838,452,893.70 : x
  2. Step 2: Convert to fraction form
    2,585,386,372.98/3,878,624,287.02 = 838,452,893.70/x
  3. Step 3: Cross multiply
    2,585,386,372.98x = 3,878,624,287.02 × 838,452,893.70
  4. Step 4: Simplify right side
    2,585,386,372.98x = 3,252,043,757,027,018,752
  5. Step 5: Solve for x
    x = 3,252,043,757,027,018,752/2,585,386,372.98
  6. Step 6: Final answer
    x = 1,257,855,998.24

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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.