Home / 2,989,951,981.70-4,484,927,972.55-1,595,238,221.30

Finding the Fourth Proportional to 2,989,951,981.70, 4,484,927,972.55 and 1,595,238,221.30

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Solution

The fourth proportional to 2,989,951,981.70, 4,484,927,972.55 and 1,595,238,221.30 is: 2,392,857,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,951,981.70 : 4,484,927,972.55 = 1,595,238,221.30 : x
  2. Step 2: Convert to fraction form
    2,989,951,981.70/4,484,927,972.55 = 1,595,238,221.30/x
  3. Step 3: Cross multiply
    2,989,951,981.70x = 4,484,927,972.55 × 1,595,238,221.30
  4. Step 4: Simplify right side
    2,989,951,981.70x = 7,154,528,521,589,277,696
  5. Step 5: Solve for x
    x = 7,154,528,521,589,277,696/2,989,951,981.70
  6. Step 6: Final answer
    x = 2,392,857,331.95

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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.