Home / 259,641,350.10-389,462,025.15-77,888,528.10

Finding the Fourth Proportional to 259,641,350.10, 389,462,025.15 and 77,888,528.10

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Solution

The fourth proportional to 259,641,350.10, 389,462,025.15 and 77,888,528.10 is: 116,832,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,641,350.10 : 389,462,025.15 = 77,888,528.10 : x
  2. Step 2: Convert to fraction form
    259,641,350.10/389,462,025.15 = 77,888,528.10/x
  3. Step 3: Cross multiply
    259,641,350.10x = 389,462,025.15 × 77,888,528.10
  4. Step 4: Simplify right side
    259,641,350.10x = 30,334,623,889,778,676
  5. Step 5: Solve for x
    x = 30,334,623,889,778,676/259,641,350.10
  6. Step 6: Final answer
    x = 116,832,792.15

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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.