Home / 548,353,927.89-822,532,816.40-139,410,122.13

Finding the Fourth Proportional to 548,353,927.89, 822,532,816.40 and 139,410,122.13

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Solution

The fourth proportional to 548,353,927.89, 822,532,816.40 and 139,410,122.13 is: 209,115,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,353,927.89 : 822,532,816.40 = 139,410,122.13 : x
  2. Step 2: Convert to fraction form
    548,353,927.89/822,532,816.40 = 139,410,122.13/x
  3. Step 3: Cross multiply
    548,353,927.89x = 822,532,816.40 × 139,410,122.13
  4. Step 4: Simplify right side
    548,353,927.89x = 114,669,400,389,559,808
  5. Step 5: Solve for x
    x = 114,669,400,389,559,808/548,353,927.89
  6. Step 6: Final answer
    x = 209,115,672.48

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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.