Home / 680,096,883.18-1,020,534,069.48-369,229,774.78

Finding the Fourth Proportional to 680,096,883.18, 1,020,534,069.48 and 369,229,774.78

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Solution

The fourth proportional to 680,096,883.18, 1,020,534,069.48 and 369,229,774.78 is: 554,055,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,096,883.18 : 1,020,534,069.48 = 369,229,774.78 : x
  2. Step 2: Convert to fraction form
    680,096,883.18/1,020,534,069.48 = 369,229,774.78/x
  3. Step 3: Cross multiply
    680,096,883.18x = 1,020,534,069.48 × 369,229,774.78
  4. Step 4: Simplify right side
    680,096,883.18x = 376,811,564,629,417,280
  5. Step 5: Solve for x
    x = 376,811,564,629,417,280/680,096,883.18
  6. Step 6: Final answer
    x = 554,055,714.63

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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.