Home / 464,074,274.12-640,426,787.70-252,383,117.72

Finding the Fourth Proportional to 464,074,274.12, 640,426,787.70 and 252,383,117.72

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Solution

The fourth proportional to 464,074,274.12, 640,426,787.70 and 252,383,117.72 is: 348,291,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,074,274.12 : 640,426,787.70 = 252,383,117.72 : x
  2. Step 2: Convert to fraction form
    464,074,274.12/640,426,787.70 = 252,383,117.72/x
  3. Step 3: Cross multiply
    464,074,274.12x = 640,426,787.70 × 252,383,117.72
  4. Step 4: Simplify right side
    464,074,274.12x = 161,632,909,351,130,560
  5. Step 5: Solve for x
    x = 161,632,909,351,130,560/464,074,274.12
  6. Step 6: Final answer
    x = 348,291,035.22

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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.