Home / 393,312,207.20-589,968,310.80-270,868,200.80

Finding the Fourth Proportional to 393,312,207.20, 589,968,310.80 and 270,868,200.80

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Solution

The fourth proportional to 393,312,207.20, 589,968,310.80 and 270,868,200.80 is: 406,302,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,312,207.20 : 589,968,310.80 = 270,868,200.80 : x
  2. Step 2: Convert to fraction form
    393,312,207.20/589,968,310.80 = 270,868,200.80/x
  3. Step 3: Cross multiply
    393,312,207.20x = 589,968,310.80 × 270,868,200.80
  4. Step 4: Simplify right side
    393,312,207.20x = 159,803,654,875,411,200
  5. Step 5: Solve for x
    x = 159,803,654,875,411,200/393,312,207.20
  6. Step 6: Final answer
    x = 406,302,301.20

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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.