Home / 1,890,161,384.20-2,834,391,770.70-725,242,712.20

Finding the Fourth Proportional to 1,890,161,384.20, 2,834,391,770.70 and 725,242,712.20

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Solution

The fourth proportional to 1,890,161,384.20, 2,834,391,770.70 and 725,242,712.20 is: 1,087,537,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,161,384.20 : 2,834,391,770.70 = 725,242,712.20 : x
  2. Step 2: Convert to fraction form
    1,890,161,384.20/2,834,391,770.70 = 725,242,712.20/x
  3. Step 3: Cross multiply
    1,890,161,384.20x = 2,834,391,770.70 × 725,242,712.20
  4. Step 4: Simplify right side
    1,890,161,384.20x = 2,055,621,975,219,828,480
  5. Step 5: Solve for x
    x = 2,055,621,975,219,828,480/1,890,161,384.20
  6. Step 6: Final answer
    x = 1,087,537,811.53

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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.