Home / 713,120,983.36-983,744,775.72-465,747,138.88

Finding the Fourth Proportional to 713,120,983.36, 983,744,775.72 and 465,747,138.88

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Solution

The fourth proportional to 713,120,983.36, 983,744,775.72 and 465,747,138.88 is: 642,494,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,120,983.36 : 983,744,775.72 = 465,747,138.88 : x
  2. Step 2: Convert to fraction form
    713,120,983.36/983,744,775.72 = 465,747,138.88/x
  3. Step 3: Cross multiply
    713,120,983.36x = 983,744,775.72 × 465,747,138.88
  4. Step 4: Simplify right side
    713,120,983.36x = 458,176,314,679,737,280
  5. Step 5: Solve for x
    x = 458,176,314,679,737,280/713,120,983.36
  6. Step 6: Final answer
    x = 642,494,507.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.