Home / 674,726,863.20-1,011,418,448.40-310,586,114.40

Finding the Fourth Proportional to 674,726,863.20, 1,011,418,448.40 and 310,586,114.40

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Solution

The fourth proportional to 674,726,863.20, 1,011,418,448.40 and 310,586,114.40 is: 465,569,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,726,863.20 : 1,011,418,448.40 = 310,586,114.40 : x
  2. Step 2: Convert to fraction form
    674,726,863.20/1,011,418,448.40 = 310,586,114.40/x
  3. Step 3: Cross multiply
    674,726,863.20x = 1,011,418,448.40 × 310,586,114.40
  4. Step 4: Simplify right side
    674,726,863.20x = 314,132,525,921,032,896
  5. Step 5: Solve for x
    x = 314,132,525,921,032,896/674,726,863.20
  6. Step 6: Final answer
    x = 465,569,911.40

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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.