Home / 382,806,648.80-574,209,973.20-188,811,000.80

Finding the Fourth Proportional to 382,806,648.80, 574,209,973.20 and 188,811,000.80

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Solution

The fourth proportional to 382,806,648.80, 574,209,973.20 and 188,811,000.80 is: 283,216,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,806,648.80 : 574,209,973.20 = 188,811,000.80 : x
  2. Step 2: Convert to fraction form
    382,806,648.80/574,209,973.20 = 188,811,000.80/x
  3. Step 3: Cross multiply
    382,806,648.80x = 574,209,973.20 × 188,811,000.80
  4. Step 4: Simplify right side
    382,806,648.80x = 108,417,159,709,233,200
  5. Step 5: Solve for x
    x = 108,417,159,709,233,200/382,806,648.80
  6. Step 6: Final answer
    x = 283,216,501.20

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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.