Home / 2,690,758,040.40-4,036,137,060.60-1,239,569,816.40

Finding the Fourth Proportional to 2,690,758,040.40, 4,036,137,060.60 and 1,239,569,816.40

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Solution

The fourth proportional to 2,690,758,040.40, 4,036,137,060.60 and 1,239,569,816.40 is: 1,859,354,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,758,040.40 : 4,036,137,060.60 = 1,239,569,816.40 : x
  2. Step 2: Convert to fraction form
    2,690,758,040.40/4,036,137,060.60 = 1,239,569,816.40/x
  3. Step 3: Cross multiply
    2,690,758,040.40x = 4,036,137,060.60 × 1,239,569,816.40
  4. Step 4: Simplify right side
    2,690,758,040.40x = 5,003,073,675,173,178,368
  5. Step 5: Solve for x
    x = 5,003,073,675,173,178,368/2,690,758,040.40
  6. Step 6: Final answer
    x = 1,859,354,724.60

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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.