Home / 620,153,255.03-930,181,068.50-270,391,068.95

Finding the Fourth Proportional to 620,153,255.03, 930,181,068.50 and 270,391,068.95

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Solution

The fourth proportional to 620,153,255.03, 930,181,068.50 and 270,391,068.95 is: 405,565,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,153,255.03 : 930,181,068.50 = 270,391,068.95 : x
  2. Step 2: Convert to fraction form
    620,153,255.03/930,181,068.50 = 270,391,068.95/x
  3. Step 3: Cross multiply
    620,153,255.03x = 930,181,068.50 × 270,391,068.95
  4. Step 4: Simplify right side
    620,153,255.03x = 251,512,653,428,768,160
  5. Step 5: Solve for x
    x = 251,512,653,428,768,160/620,153,255.03
  6. Step 6: Final answer
    x = 405,565,320.17

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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.