Home / 629,173,236.78-868,631,088.69-559,365,470.10

Finding the Fourth Proportional to 629,173,236.78, 868,631,088.69 and 559,365,470.10

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Solution

The fourth proportional to 629,173,236.78, 868,631,088.69 and 559,365,470.10 is: 772,255,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,173,236.78 : 868,631,088.69 = 559,365,470.10 : x
  2. Step 2: Convert to fraction form
    629,173,236.78/868,631,088.69 = 559,365,470.10/x
  3. Step 3: Cross multiply
    629,173,236.78x = 868,631,088.69 × 559,365,470.10
  4. Step 4: Simplify right side
    629,173,236.78x = 485,882,237,268,556,672
  5. Step 5: Solve for x
    x = 485,882,237,268,556,672/629,173,236.78
  6. Step 6: Final answer
    x = 772,255,094.25

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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.