Home / 3,908,529,411.90-5,863,644,423.45-1,287,887,552.70

Finding the Fourth Proportional to 3,908,529,411.90, 5,863,644,423.45 and 1,287,887,552.70

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Solution

The fourth proportional to 3,908,529,411.90, 5,863,644,423.45 and 1,287,887,552.70 is: 1,932,111,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,529,411.90 : 5,863,644,423.45 = 1,287,887,552.70 : x
  2. Step 2: Convert to fraction form
    3,908,529,411.90/5,863,644,423.45 = 1,287,887,552.70/x
  3. Step 3: Cross multiply
    3,908,529,411.90x = 5,863,644,423.45 × 1,287,887,552.70
  4. Step 4: Simplify right side
    3,908,529,411.90x = 7,551,714,666,420,023,296
  5. Step 5: Solve for x
    x = 7,551,714,666,420,023,296/3,908,529,411.90
  6. Step 6: Final answer
    x = 1,932,111,510.64

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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.