Home / 1,948,641,774.47-2,922,986,576.55-1,288,879,030.61

Finding the Fourth Proportional to 1,948,641,774.47, 2,922,986,576.55 and 1,288,879,030.61

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Solution

The fourth proportional to 1,948,641,774.47, 2,922,986,576.55 and 1,288,879,030.61 is: 1,933,334,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,641,774.47 : 2,922,986,576.55 = 1,288,879,030.61 : x
  2. Step 2: Convert to fraction form
    1,948,641,774.47/2,922,986,576.55 = 1,288,879,030.61/x
  3. Step 3: Cross multiply
    1,948,641,774.47x = 2,922,986,576.55 × 1,288,879,030.61
  4. Step 4: Simplify right side
    1,948,641,774.47x = 3,767,376,105,248,747,520
  5. Step 5: Solve for x
    x = 3,767,376,105,248,747,520/1,948,641,774.47
  6. Step 6: Final answer
    x = 1,933,334,363.77

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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.