Home / 373,210,266.63-515,132,606.84-216,627,819.60

Finding the Fourth Proportional to 373,210,266.63, 515,132,606.84 and 216,627,819.60

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Solution

The fourth proportional to 373,210,266.63, 515,132,606.84 and 216,627,819.60 is: 299,005,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,210,266.63 : 515,132,606.84 = 216,627,819.60 : x
  2. Step 2: Convert to fraction form
    373,210,266.63/515,132,606.84 = 216,627,819.60/x
  3. Step 3: Cross multiply
    373,210,266.63x = 515,132,606.84 × 216,627,819.60
  4. Step 4: Simplify right side
    373,210,266.63x = 111,592,053,423,530,096
  5. Step 5: Solve for x
    x = 111,592,053,423,530,096/373,210,266.63
  6. Step 6: Final answer
    x = 299,005,851.13

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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.