Home / 872,178,964.64-1,308,113,111.18-347,504,094.30

Finding the Fourth Proportional to 872,178,964.64, 1,308,113,111.18 and 347,504,094.30

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Solution

The fourth proportional to 872,178,964.64, 1,308,113,111.18 and 347,504,094.30 is: 521,194,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,178,964.64 : 1,308,113,111.18 = 347,504,094.30 : x
  2. Step 2: Convert to fraction form
    872,178,964.64/1,308,113,111.18 = 347,504,094.30/x
  3. Step 3: Cross multiply
    872,178,964.64x = 1,308,113,111.18 × 347,504,094.30
  4. Step 4: Simplify right side
    872,178,964.64x = 454,574,661,948,335,232
  5. Step 5: Solve for x
    x = 454,574,661,948,335,232/872,178,964.64
  6. Step 6: Final answer
    x = 521,194,250.70

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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.