Home / 290,174,619.20-434,695,058.40-174,816,492.80

Finding the Fourth Proportional to 290,174,619.20, 434,695,058.40 and 174,816,492.80

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Solution

The fourth proportional to 290,174,619.20, 434,695,058.40 and 174,816,492.80 is: 261,883,226.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,174,619.20 : 434,695,058.40 = 174,816,492.80 : x
  2. Step 2: Convert to fraction form
    290,174,619.20/434,695,058.40 = 174,816,492.80/x
  3. Step 3: Cross multiply
    290,174,619.20x = 434,695,058.40 × 174,816,492.80
  4. Step 4: Simplify right side
    290,174,619.20x = 75,991,865,546,979,184
  5. Step 5: Solve for x
    x = 75,991,865,546,979,184/290,174,619.20
  6. Step 6: Final answer
    x = 261,883,226.58

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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.