Home / 464,921,880.96-641,592,159.84-256,078,023.61

Finding the Fourth Proportional to 464,921,880.96, 641,592,159.84 and 256,078,023.61

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Solution

The fourth proportional to 464,921,880.96, 641,592,159.84 and 256,078,023.61 is: 353,387,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,921,880.96 : 641,592,159.84 = 256,078,023.61 : x
  2. Step 2: Convert to fraction form
    464,921,880.96/641,592,159.84 = 256,078,023.61/x
  3. Step 3: Cross multiply
    464,921,880.96x = 641,592,159.84 × 256,078,023.61
  4. Step 4: Simplify right side
    464,921,880.96x = 164,297,652,252,574,336
  5. Step 5: Solve for x
    x = 164,297,652,252,574,336/464,921,880.96
  6. Step 6: Final answer
    x = 353,387,652.81

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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.