Home / 1,890,161,281.70-2,834,391,616.95-725,242,609.70

Finding the Fourth Proportional to 1,890,161,281.70, 2,834,391,616.95 and 725,242,609.70

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Solution

The fourth proportional to 1,890,161,281.70, 2,834,391,616.95 and 725,242,609.70 is: 1,087,537,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,161,281.70 : 2,834,391,616.95 = 725,242,609.70 : x
  2. Step 2: Convert to fraction form
    1,890,161,281.70/2,834,391,616.95 = 725,242,609.70/x
  3. Step 3: Cross multiply
    1,890,161,281.70x = 2,834,391,616.95 × 725,242,609.70
  4. Step 4: Simplify right side
    1,890,161,281.70x = 2,055,621,573,188,620,800
  5. Step 5: Solve for x
    x = 2,055,621,573,188,620,800/1,890,161,281.70
  6. Step 6: Final answer
    x = 1,087,537,657.81

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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.