Home / 412,972,089.84-570,021,830.28-269,938,630.80

Finding the Fourth Proportional to 412,972,089.84, 570,021,830.28 and 269,938,630.80

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Solution

The fourth proportional to 412,972,089.84, 570,021,830.28 and 269,938,630.80 is: 372,593,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,972,089.84 : 570,021,830.28 = 269,938,630.80 : x
  2. Step 2: Convert to fraction form
    412,972,089.84/570,021,830.28 = 269,938,630.80/x
  3. Step 3: Cross multiply
    412,972,089.84x = 570,021,830.28 × 269,938,630.80
  4. Step 4: Simplify right side
    412,972,089.84x = 153,870,912,391,893,184
  5. Step 5: Solve for x
    x = 153,870,912,391,893,184/412,972,089.84
  6. Step 6: Final answer
    x = 372,593,974.70

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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.