Home / 531,387,327.86-733,460,367.72-308,440,835.84

Finding the Fourth Proportional to 531,387,327.86, 733,460,367.72 and 308,440,835.84

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Solution

The fourth proportional to 531,387,327.86, 733,460,367.72 and 308,440,835.84 is: 425,733,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,387,327.86 : 733,460,367.72 = 308,440,835.84 : x
  2. Step 2: Convert to fraction form
    531,387,327.86/733,460,367.72 = 308,440,835.84/x
  3. Step 3: Cross multiply
    531,387,327.86x = 733,460,367.72 × 308,440,835.84
  4. Step 4: Simplify right side
    531,387,327.86x = 226,229,128,875,070,560
  5. Step 5: Solve for x
    x = 226,229,128,875,070,560/531,387,327.86
  6. Step 6: Final answer
    x = 425,733,014.35

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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.