Home / 1,488,865,093.70-2,233,381,621.35-453,759,743.30

Finding the Fourth Proportional to 1,488,865,093.70, 2,233,381,621.35 and 453,759,743.30

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Solution

The fourth proportional to 1,488,865,093.70, 2,233,381,621.35 and 453,759,743.30 is: 680,665,209.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,865,093.70 : 2,233,381,621.35 = 453,759,743.30 : x
  2. Step 2: Convert to fraction form
    1,488,865,093.70/2,233,381,621.35 = 453,759,743.30/x
  3. Step 3: Cross multiply
    1,488,865,093.70x = 2,233,381,621.35 × 453,759,743.30
  4. Step 4: Simplify right side
    1,488,865,093.70x = 1,013,418,671,194,713,728
  5. Step 5: Solve for x
    x = 1,013,418,671,194,713,728/1,488,865,093.70
  6. Step 6: Final answer
    x = 680,665,209.68

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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.