Home / 382,590,429.30-573,885,643.95-123,831,806.40

Finding the Fourth Proportional to 382,590,429.30, 573,885,643.95 and 123,831,806.40

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Solution

The fourth proportional to 382,590,429.30, 573,885,643.95 and 123,831,806.40 is: 185,747,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,590,429.30 : 573,885,643.95 = 123,831,806.40 : x
  2. Step 2: Convert to fraction form
    382,590,429.30/573,885,643.95 = 123,831,806.40/x
  3. Step 3: Cross multiply
    382,590,429.30x = 573,885,643.95 × 123,831,806.40
  4. Step 4: Simplify right side
    382,590,429.30x = 71,065,295,957,355,744
  5. Step 5: Solve for x
    x = 71,065,295,957,355,744/382,590,429.30
  6. Step 6: Final answer
    x = 185,747,709.60

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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.