Home / 291,648,246.23-402,505,770.03-178,692,700.13

Finding the Fourth Proportional to 291,648,246.23, 402,505,770.03 and 178,692,700.13

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Solution

The fourth proportional to 291,648,246.23, 402,505,770.03 and 178,692,700.13 is: 246,615,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,648,246.23 : 402,505,770.03 = 178,692,700.13 : x
  2. Step 2: Convert to fraction form
    291,648,246.23/402,505,770.03 = 178,692,700.13/x
  3. Step 3: Cross multiply
    291,648,246.23x = 402,505,770.03 × 178,692,700.13
  4. Step 4: Simplify right side
    291,648,246.23x = 71,924,842,862,553,000
  5. Step 5: Solve for x
    x = 71,924,842,862,553,000/291,648,246.23
  6. Step 6: Final answer
    x = 246,615,036.41

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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.