Home / 374,014,040.20-516,114,780.06-215,218,533.28

Finding the Fourth Proportional to 374,014,040.20, 516,114,780.06 and 215,218,533.28

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Solution

The fourth proportional to 374,014,040.20, 516,114,780.06 and 215,218,533.28 is: 296,987,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,014,040.20 : 516,114,780.06 = 215,218,533.28 : x
  2. Step 2: Convert to fraction form
    374,014,040.20/516,114,780.06 = 215,218,533.28/x
  3. Step 3: Cross multiply
    374,014,040.20x = 516,114,780.06 × 215,218,533.28
  4. Step 4: Simplify right side
    374,014,040.20x = 111,077,465,968,642,992
  5. Step 5: Solve for x
    x = 111,077,465,968,642,992/374,014,040.20
  6. Step 6: Final answer
    x = 296,987,423.01

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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.