Home / 517,386,350.40-776,079,525.60-258,641,505.60

Finding the Fourth Proportional to 517,386,350.40, 776,079,525.60 and 258,641,505.60

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Solution

The fourth proportional to 517,386,350.40, 776,079,525.60 and 258,641,505.60 is: 387,962,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,386,350.40 : 776,079,525.60 = 258,641,505.60 : x
  2. Step 2: Convert to fraction form
    517,386,350.40/776,079,525.60 = 258,641,505.60/x
  3. Step 3: Cross multiply
    517,386,350.40x = 776,079,525.60 × 258,641,505.60
  4. Step 4: Simplify right side
    517,386,350.40x = 200,726,376,966,517,760
  5. Step 5: Solve for x
    x = 200,726,376,966,517,760/517,386,350.40
  6. Step 6: Final answer
    x = 387,962,258.40

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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.