Home / 679,290,493.59-936,840,070.60-467,934,636.42

Finding the Fourth Proportional to 679,290,493.59, 936,840,070.60 and 467,934,636.42

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Solution

The fourth proportional to 679,290,493.59, 936,840,070.60 and 467,934,636.42 is: 645,349,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,290,493.59 : 936,840,070.60 = 467,934,636.42 : x
  2. Step 2: Convert to fraction form
    679,290,493.59/936,840,070.60 = 467,934,636.42/x
  3. Step 3: Cross multiply
    679,290,493.59x = 936,840,070.60 × 467,934,636.42
  4. Step 4: Simplify right side
    679,290,493.59x = 438,379,917,818,728,320
  5. Step 5: Solve for x
    x = 438,379,917,818,728,320/679,290,493.59
  6. Step 6: Final answer
    x = 645,349,702.31

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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.