Home / 3,634,521,579.66-5,015,639,789.55-1,963,770,720.78

Finding the Fourth Proportional to 3,634,521,579.66, 5,015,639,789.55 and 1,963,770,720.78

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Solution

The fourth proportional to 3,634,521,579.66, 5,015,639,789.55 and 1,963,770,720.78 is: 2,710,003,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634,521,579.66 : 5,015,639,789.55 = 1,963,770,720.78 : x
  2. Step 2: Convert to fraction form
    3,634,521,579.66/5,015,639,789.55 = 1,963,770,720.78/x
  3. Step 3: Cross multiply
    3,634,521,579.66x = 5,015,639,789.55 × 1,963,770,720.78
  4. Step 4: Simplify right side
    3,634,521,579.66x = 9,849,566,564,697,450,496
  5. Step 5: Solve for x
    x = 9,849,566,564,697,450,496/3,634,521,579.66
  6. Step 6: Final answer
    x = 2,710,003,599.87

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1.5x scale

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.