Home / 764,950,521.60-1,147,425,782.40-247,752,140.40

Finding the Fourth Proportional to 764,950,521.60, 1,147,425,782.40 and 247,752,140.40

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Solution

The fourth proportional to 764,950,521.60, 1,147,425,782.40 and 247,752,140.40 is: 371,628,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,950,521.60 : 1,147,425,782.40 = 247,752,140.40 : x
  2. Step 2: Convert to fraction form
    764,950,521.60/1,147,425,782.40 = 247,752,140.40/x
  3. Step 3: Cross multiply
    764,950,521.60x = 1,147,425,782.40 × 247,752,140.40
  4. Step 4: Simplify right side
    764,950,521.60x = 284,277,193,539,744,672
  5. Step 5: Solve for x
    x = 284,277,193,539,744,672/764,950,521.60
  6. Step 6: Final answer
    x = 371,628,210.60

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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.