Home / 2,913,192,948.78-4,020,517,819.80-1,784,911,487.22

Finding the Fourth Proportional to 2,913,192,948.78, 4,020,517,819.80 and 1,784,911,487.22

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Solution

The fourth proportional to 2,913,192,948.78, 4,020,517,819.80 and 1,784,911,487.22 is: 2,463,368,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,192,948.78 : 4,020,517,819.80 = 1,784,911,487.22 : x
  2. Step 2: Convert to fraction form
    2,913,192,948.78/4,020,517,819.80 = 1,784,911,487.22/x
  3. Step 3: Cross multiply
    2,913,192,948.78x = 4,020,517,819.80 × 1,784,911,487.22
  4. Step 4: Simplify right side
    2,913,192,948.78x = 7,176,268,441,133,730,816
  5. Step 5: Solve for x
    x = 7,176,268,441,133,730,816/2,913,192,948.78
  6. Step 6: Final answer
    x = 2,463,368,739.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.