Home / 548,353,931.64-822,532,822.02-139,410,125.88

Finding the Fourth Proportional to 548,353,931.64, 822,532,822.02 and 139,410,125.88

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Solution

The fourth proportional to 548,353,931.64, 822,532,822.02 and 139,410,125.88 is: 209,115,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,353,931.64 : 822,532,822.02 = 139,410,125.88 : x
  2. Step 2: Convert to fraction form
    548,353,931.64/822,532,822.02 = 139,410,125.88/x
  3. Step 3: Cross multiply
    548,353,931.64x = 822,532,822.02 × 139,410,125.88
  4. Step 4: Simplify right side
    548,353,931.64x = 114,669,404,258,239,824
  5. Step 5: Solve for x
    x = 114,669,404,258,239,824/548,353,931.64
  6. Step 6: Final answer
    x = 209,115,678.11

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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.