Home / 764,871,438.30-1,149,007,768.65-735,961,047.90

Finding the Fourth Proportional to 764,871,438.30, 1,149,007,768.65 and 735,961,047.90

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Solution

The fourth proportional to 764,871,438.30, 1,149,007,768.65 and 735,961,047.90 is: 1,105,577,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,871,438.30 : 1,149,007,768.65 = 735,961,047.90 : x
  2. Step 2: Convert to fraction form
    764,871,438.30/1,149,007,768.65 = 735,961,047.90/x
  3. Step 3: Cross multiply
    764,871,438.30x = 1,149,007,768.65 × 735,961,047.90
  4. Step 4: Simplify right side
    764,871,438.30x = 845,624,961,460,894,848
  5. Step 5: Solve for x
    x = 845,624,961,460,894,848/764,871,438.30
  6. Step 6: Final answer
    x = 1,105,577,903.84

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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.