Home / 664,645,350.60-996,968,025.90-377,990,886.60

Finding the Fourth Proportional to 664,645,350.60, 996,968,025.90 and 377,990,886.60

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Solution

The fourth proportional to 664,645,350.60, 996,968,025.90 and 377,990,886.60 is: 566,986,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,645,350.60 : 996,968,025.90 = 377,990,886.60 : x
  2. Step 2: Convert to fraction form
    664,645,350.60/996,968,025.90 = 377,990,886.60/x
  3. Step 3: Cross multiply
    664,645,350.60x = 996,968,025.90 × 377,990,886.60
  4. Step 4: Simplify right side
    664,645,350.60x = 376,844,828,021,792,768
  5. Step 5: Solve for x
    x = 376,844,828,021,792,768/664,645,350.60
  6. Step 6: Final answer
    x = 566,986,329.90

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1.5x scale

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.