Home / 354,582,902.80-489,319,298.06-195,819,743.50

Finding the Fourth Proportional to 354,582,902.80, 489,319,298.06 and 195,819,743.50

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Solution

The fourth proportional to 354,582,902.80, 489,319,298.06 and 195,819,743.50 is: 270,228,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,582,902.80 : 489,319,298.06 = 195,819,743.50 : x
  2. Step 2: Convert to fraction form
    354,582,902.80/489,319,298.06 = 195,819,743.50/x
  3. Step 3: Cross multiply
    354,582,902.80x = 489,319,298.06 × 195,819,743.50
  4. Step 4: Simplify right side
    354,582,902.80x = 95,818,379,433,506,848
  5. Step 5: Solve for x
    x = 95,818,379,433,506,848/354,582,902.80
  6. Step 6: Final answer
    x = 270,228,425.22

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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.