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Finding the Fourth Proportional to 409,698,897.80, 614,548,346.70 and 362,347,504.70

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Solution

The fourth proportional to 409,698,897.80, 614,548,346.70 and 362,347,504.70 is: 543,521,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,698,897.80 : 614,548,346.70 = 362,347,504.70 : x
  2. Step 2: Convert to fraction form
    409,698,897.80/614,548,346.70 = 362,347,504.70/x
  3. Step 3: Cross multiply
    409,698,897.80x = 614,548,346.70 × 362,347,504.70
  4. Step 4: Simplify right side
    409,698,897.80x = 222,680,059,944,255,488
  5. Step 5: Solve for x
    x = 222,680,059,944,255,488/409,698,897.80
  6. Step 6: Final answer
    x = 543,521,257.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.