Home / 620,460,376.20-930,448,421.25-270,813,385.08

Finding the Fourth Proportional to 620,460,376.20, 930,448,421.25 and 270,813,385.08

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Solution

The fourth proportional to 620,460,376.20, 930,448,421.25 and 270,813,385.08 is: 406,114,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,460,376.20 : 930,448,421.25 = 270,813,385.08 : x
  2. Step 2: Convert to fraction form
    620,460,376.20/930,448,421.25 = 270,813,385.08/x
  3. Step 3: Cross multiply
    620,460,376.20x = 930,448,421.25 × 270,813,385.08
  4. Step 4: Simplify right side
    620,460,376.20x = 251,977,886,601,054,304
  5. Step 5: Solve for x
    x = 251,977,886,601,054,304/620,460,376.20
  6. Step 6: Final answer
    x = 406,114,389.04

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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.