Home / 466,095,942.66-643,454,512.16-340,507,134.15

Finding the Fourth Proportional to 466,095,942.66, 643,454,512.16 and 340,507,134.15

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Solution

The fourth proportional to 466,095,942.66, 643,454,512.16 and 340,507,134.15 is: 470,076,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,095,942.66 : 643,454,512.16 = 340,507,134.15 : x
  2. Step 2: Convert to fraction form
    466,095,942.66/643,454,512.16 = 340,507,134.15/x
  3. Step 3: Cross multiply
    466,095,942.66x = 643,454,512.16 × 340,507,134.15
  4. Step 4: Simplify right side
    466,095,942.66x = 219,100,851,889,785,376
  5. Step 5: Solve for x
    x = 219,100,851,889,785,376/466,095,942.66
  6. Step 6: Final answer
    x = 470,076,719.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.