Home / 764,871,551.80-1,149,007,938.90-735,961,161.40

Finding the Fourth Proportional to 764,871,551.80, 1,149,007,938.90 and 735,961,161.40

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Solution

The fourth proportional to 764,871,551.80, 1,149,007,938.90 and 735,961,161.40 is: 1,105,578,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,871,551.80 : 1,149,007,938.90 = 735,961,161.40 : x
  2. Step 2: Convert to fraction form
    764,871,551.80/1,149,007,938.90 = 735,961,161.40/x
  3. Step 3: Cross multiply
    764,871,551.80x = 1,149,007,938.90 × 735,961,161.40
  4. Step 4: Simplify right side
    764,871,551.80x = 845,625,217,170,664,320
  5. Step 5: Solve for x
    x = 845,625,217,170,664,320/764,871,551.80
  6. Step 6: Final answer
    x = 1,105,578,074.10

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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.