Home / 513,986,851.64-769,722,894.67-464,243,413.62

Finding the Fourth Proportional to 513,986,851.64, 769,722,894.67 and 464,243,413.62

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Solution

The fourth proportional to 513,986,851.64, 769,722,894.67 and 464,243,413.62 is: 695,229,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,986,851.64 : 769,722,894.67 = 464,243,413.62 : x
  2. Step 2: Convert to fraction form
    513,986,851.64/769,722,894.67 = 464,243,413.62/x
  3. Step 3: Cross multiply
    513,986,851.64x = 769,722,894.67 × 464,243,413.62
  4. Step 4: Simplify right side
    513,986,851.64x = 357,338,784,161,144,192
  5. Step 5: Solve for x
    x = 357,338,784,161,144,192/513,986,851.64
  6. Step 6: Final answer
    x = 695,229,426.63

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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.