Home / 399,378,748.26-551,132,099.31-223,168,191.59

Finding the Fourth Proportional to 399,378,748.26, 551,132,099.31 and 223,168,191.59

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Solution

The fourth proportional to 399,378,748.26, 551,132,099.31 and 223,168,191.59 is: 307,966,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,378,748.26 : 551,132,099.31 = 223,168,191.59 : x
  2. Step 2: Convert to fraction form
    399,378,748.26/551,132,099.31 = 223,168,191.59/x
  3. Step 3: Cross multiply
    399,378,748.26x = 551,132,099.31 × 223,168,191.59
  4. Step 4: Simplify right side
    399,378,748.26x = 122,995,153,927,457,312
  5. Step 5: Solve for x
    x = 122,995,153,927,457,312/399,378,748.26
  6. Step 6: Final answer
    x = 307,966,196.16

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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.