Home / 1,215,261,730.20-1,822,942,361.70-353,618,722.20

Finding the Fourth Proportional to 1,215,261,730.20, 1,822,942,361.70 and 353,618,722.20

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Solution

The fourth proportional to 1,215,261,730.20, 1,822,942,361.70 and 353,618,722.20 is: 530,442,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,261,730.20 : 1,822,942,361.70 = 353,618,722.20 : x
  2. Step 2: Convert to fraction form
    1,215,261,730.20/1,822,942,361.70 = 353,618,722.20/x
  3. Step 3: Cross multiply
    1,215,261,730.20x = 1,822,942,361.70 × 353,618,722.20
  4. Step 4: Simplify right side
    1,215,261,730.20x = 644,626,548,588,604,160
  5. Step 5: Solve for x
    x = 644,626,548,588,604,160/1,215,261,730.20
  6. Step 6: Final answer
    x = 530,442,564.40

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1.5x scale

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.