Home / 5,817,862,167.30-8,728,018,878.15-1,887,261,411.78

Finding the Fourth Proportional to 5,817,862,167.30, 8,728,018,878.15 and 1,887,261,411.78

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Solution

The fourth proportional to 5,817,862,167.30, 8,728,018,878.15 and 1,887,261,411.78 is: 2,831,289,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817,862,167.30 : 8,728,018,878.15 = 1,887,261,411.78 : x
  2. Step 2: Convert to fraction form
    5,817,862,167.30/8,728,018,878.15 = 1,887,261,411.78/x
  3. Step 3: Cross multiply
    5,817,862,167.30x = 8,728,018,878.15 × 1,887,261,411.78
  4. Step 4: Simplify right side
    5,817,862,167.30x = 16,472,053,230,019,860,480
  5. Step 5: Solve for x
    x = 16,472,053,230,019,860,480/5,817,862,167.30
  6. Step 6: Final answer
    x = 2,831,289,699.95

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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.