Home / 545,483,426.40-818,225,139.60-200,684,505.60

Finding the Fourth Proportional to 545,483,426.40, 818,225,139.60 and 200,684,505.60

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Solution

The fourth proportional to 545,483,426.40, 818,225,139.60 and 200,684,505.60 is: 301,026,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,483,426.40 : 818,225,139.60 = 200,684,505.60 : x
  2. Step 2: Convert to fraction form
    545,483,426.40/818,225,139.60 = 200,684,505.60/x
  3. Step 3: Cross multiply
    545,483,426.40x = 818,225,139.60 × 200,684,505.60
  4. Step 4: Simplify right side
    545,483,426.40x = 164,205,107,610,116,992
  5. Step 5: Solve for x
    x = 164,205,107,610,116,992/545,483,426.40
  6. Step 6: Final answer
    x = 301,026,758.40

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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.