Home / 531,387,368.20-733,460,423.34-308,440,876.24

Finding the Fourth Proportional to 531,387,368.20, 733,460,423.34 and 308,440,876.24

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Solution

The fourth proportional to 531,387,368.20, 733,460,423.34 and 308,440,876.24 is: 425,733,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,387,368.20 : 733,460,423.34 = 308,440,876.24 : x
  2. Step 2: Convert to fraction form
    531,387,368.20/733,460,423.34 = 308,440,876.24/x
  3. Step 3: Cross multiply
    531,387,368.20x = 733,460,423.34 × 308,440,876.24
  4. Step 4: Simplify right side
    531,387,368.20x = 226,229,175,662,350,976
  5. Step 5: Solve for x
    x = 226,229,175,662,350,976/531,387,368.20
  6. Step 6: Final answer
    x = 425,733,070.07

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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.