Home / 764,946,776.60-1,147,420,164.90-247,429,530.80

Finding the Fourth Proportional to 764,946,776.60, 1,147,420,164.90 and 247,429,530.80

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Solution

The fourth proportional to 764,946,776.60, 1,147,420,164.90 and 247,429,530.80 is: 371,144,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,946,776.60 : 1,147,420,164.90 = 247,429,530.80 : x
  2. Step 2: Convert to fraction form
    764,946,776.60/1,147,420,164.90 = 247,429,530.80/x
  3. Step 3: Cross multiply
    764,946,776.60x = 1,147,420,164.90 × 247,429,530.80
  4. Step 4: Simplify right side
    764,946,776.60x = 283,905,633,031,665,664
  5. Step 5: Solve for x
    x = 283,905,633,031,665,664/764,946,776.60
  6. Step 6: Final answer
    x = 371,144,296.20

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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.