Home / 493,274,303.98-680,632,012.02-281,484,436.66

Finding the Fourth Proportional to 493,274,303.98, 680,632,012.02 and 281,484,436.66

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Solution

The fourth proportional to 493,274,303.98, 680,632,012.02 and 281,484,436.66 is: 388,399,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,274,303.98 : 680,632,012.02 = 281,484,436.66 : x
  2. Step 2: Convert to fraction form
    493,274,303.98/680,632,012.02 = 281,484,436.66/x
  3. Step 3: Cross multiply
    493,274,303.98x = 680,632,012.02 × 281,484,436.66
  4. Step 4: Simplify right side
    493,274,303.98x = 191,587,318,476,212,064
  5. Step 5: Solve for x
    x = 191,587,318,476,212,064/493,274,303.98
  6. Step 6: Final answer
    x = 388,399,146.14

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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.