Home / 925,228,398.02-1,387,847,320.96-311,817,938.18

Finding the Fourth Proportional to 925,228,398.02, 1,387,847,320.96 and 311,817,938.18

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Solution

The fourth proportional to 925,228,398.02, 1,387,847,320.96 and 311,817,938.18 is: 467,728,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,228,398.02 : 1,387,847,320.96 = 311,817,938.18 : x
  2. Step 2: Convert to fraction form
    925,228,398.02/1,387,847,320.96 = 311,817,938.18/x
  3. Step 3: Cross multiply
    925,228,398.02x = 1,387,847,320.96 × 311,817,938.18
  4. Step 4: Simplify right side
    925,228,398.02x = 432,755,690,130,383,936
  5. Step 5: Solve for x
    x = 432,755,690,130,383,936/925,228,398.02
  6. Step 6: Final answer
    x = 467,728,499.32

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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.