Home / 522,029,926.44-720,420,238.83-299,054,702.16

Finding the Fourth Proportional to 522,029,926.44, 720,420,238.83 and 299,054,702.16

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Solution

The fourth proportional to 522,029,926.44, 720,420,238.83 and 299,054,702.16 is: 412,706,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,029,926.44 : 720,420,238.83 = 299,054,702.16 : x
  2. Step 2: Convert to fraction form
    522,029,926.44/720,420,238.83 = 299,054,702.16/x
  3. Step 3: Cross multiply
    522,029,926.44x = 720,420,238.83 × 299,054,702.16
  4. Step 4: Simplify right side
    522,029,926.44x = 215,445,059,953,341,760
  5. Step 5: Solve for x
    x = 215,445,059,953,341,760/522,029,926.44
  6. Step 6: Final answer
    x = 412,706,339.31

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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.