Home / 573,831,745.50-861,075,621.60-311,537,622.78

Finding the Fourth Proportional to 573,831,745.50, 861,075,621.60 and 311,537,622.78

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Solution

The fourth proportional to 573,831,745.50, 861,075,621.60 and 311,537,622.78 is: 467,484,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,831,745.50 : 861,075,621.60 = 311,537,622.78 : x
  2. Step 2: Convert to fraction form
    573,831,745.50/861,075,621.60 = 311,537,622.78/x
  3. Step 3: Cross multiply
    573,831,745.50x = 861,075,621.60 × 311,537,622.78
  4. Step 4: Simplify right side
    573,831,745.50x = 268,257,452,187,074,816
  5. Step 5: Solve for x
    x = 268,257,452,187,074,816/573,831,745.50
  6. Step 6: Final answer
    x = 467,484,509.69

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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.