Home / 399,456,040.80-599,184,061.20-112,241,704.80

Finding the Fourth Proportional to 399,456,040.80, 599,184,061.20 and 112,241,704.80

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Solution

The fourth proportional to 399,456,040.80, 599,184,061.20 and 112,241,704.80 is: 168,362,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,456,040.80 : 599,184,061.20 = 112,241,704.80 : x
  2. Step 2: Convert to fraction form
    399,456,040.80/599,184,061.20 = 112,241,704.80/x
  3. Step 3: Cross multiply
    399,456,040.80x = 599,184,061.20 × 112,241,704.80
  4. Step 4: Simplify right side
    399,456,040.80x = 67,253,440,518,075,536
  5. Step 5: Solve for x
    x = 67,253,440,518,075,536/399,456,040.80
  6. Step 6: Final answer
    x = 168,362,557.20

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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.