Home / 373,210,290.40-515,132,639.64-216,627,843.36

Finding the Fourth Proportional to 373,210,290.40, 515,132,639.64 and 216,627,843.36

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Solution

The fourth proportional to 373,210,290.40, 515,132,639.64 and 216,627,843.36 is: 299,005,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,210,290.40 : 515,132,639.64 = 216,627,843.36 : x
  2. Step 2: Convert to fraction form
    373,210,290.40/515,132,639.64 = 216,627,843.36/x
  3. Step 3: Cross multiply
    373,210,290.40x = 515,132,639.64 × 216,627,843.36
  4. Step 4: Simplify right side
    373,210,290.40x = 111,592,072,769,557,248
  5. Step 5: Solve for x
    x = 111,592,072,769,557,248/373,210,290.40
  6. Step 6: Final answer
    x = 299,005,883.92

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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.