Home / 619,482,016.80-929,223,025.20-274,068,986.40

Finding the Fourth Proportional to 619,482,016.80, 929,223,025.20 and 274,068,986.40

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Solution

The fourth proportional to 619,482,016.80, 929,223,025.20 and 274,068,986.40 is: 411,103,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,482,016.80 : 929,223,025.20 = 274,068,986.40 : x
  2. Step 2: Convert to fraction form
    619,482,016.80/929,223,025.20 = 274,068,986.40/x
  3. Step 3: Cross multiply
    619,482,016.80x = 929,223,025.20 × 274,068,986.40
  4. Step 4: Simplify right side
    619,482,016.80x = 254,671,212,656,105,664
  5. Step 5: Solve for x
    x = 254,671,212,656,105,664/619,482,016.80
  6. Step 6: Final answer
    x = 411,103,479.60

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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.