Home / 708,697,738.40-1,063,046,607.60-449,071,095.20

Finding the Fourth Proportional to 708,697,738.40, 1,063,046,607.60 and 449,071,095.20

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Solution

The fourth proportional to 708,697,738.40, 1,063,046,607.60 and 449,071,095.20 is: 673,606,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,697,738.40 : 1,063,046,607.60 = 449,071,095.20 : x
  2. Step 2: Convert to fraction form
    708,697,738.40/1,063,046,607.60 = 449,071,095.20/x
  3. Step 3: Cross multiply
    708,697,738.40x = 1,063,046,607.60 × 449,071,095.20
  4. Step 4: Simplify right side
    708,697,738.40x = 477,383,504,323,576,640
  5. Step 5: Solve for x
    x = 477,383,504,323,576,640/708,697,738.40
  6. Step 6: Final answer
    x = 673,606,642.80

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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.