Home / 515,032,001.20-772,684,859.40-223,774,145.20

Finding the Fourth Proportional to 515,032,001.20, 772,684,859.40 and 223,774,145.20

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Solution

The fourth proportional to 515,032,001.20, 772,684,859.40 and 223,774,145.20 is: 335,720,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,032,001.20 : 772,684,859.40 = 223,774,145.20 : x
  2. Step 2: Convert to fraction form
    515,032,001.20/772,684,859.40 = 223,774,145.20/x
  3. Step 3: Cross multiply
    515,032,001.20x = 772,684,859.40 × 223,774,145.20
  4. Step 4: Simplify right side
    515,032,001.20x = 172,906,893,921,217,184
  5. Step 5: Solve for x
    x = 172,906,893,921,217,184/515,032,001.20
  6. Step 6: Final answer
    x = 335,720,680.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.