Home / 713,120,860.36-983,744,606.10-465,747,015.88

Finding the Fourth Proportional to 713,120,860.36, 983,744,606.10 and 465,747,015.88

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Solution

The fourth proportional to 713,120,860.36, 983,744,606.10 and 465,747,015.88 is: 642,494,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,120,860.36 : 983,744,606.10 = 465,747,015.88 : x
  2. Step 2: Convert to fraction form
    713,120,860.36/983,744,606.10 = 465,747,015.88/x
  3. Step 3: Cross multiply
    713,120,860.36x = 983,744,606.10 × 465,747,015.88
  4. Step 4: Simplify right side
    713,120,860.36x = 458,176,114,679,121,024
  5. Step 5: Solve for x
    x = 458,176,114,679,121,024/713,120,860.36
  6. Step 6: Final answer
    x = 642,494,337.42

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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.