Home / 1,260,184,111.02-1,890,260,961.20-327,424,422.91

Finding the Fourth Proportional to 1,260,184,111.02, 1,890,260,961.20 and 327,424,422.91

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Solution

The fourth proportional to 1,260,184,111.02, 1,890,260,961.20 and 327,424,422.91 is: 491,132,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,184,111.02 : 1,890,260,961.20 = 327,424,422.91 : x
  2. Step 2: Convert to fraction form
    1,260,184,111.02/1,890,260,961.20 = 327,424,422.91/x
  3. Step 3: Cross multiply
    1,260,184,111.02x = 1,890,260,961.20 × 327,424,422.91
  4. Step 4: Simplify right side
    1,260,184,111.02x = 618,917,604,370,211,968
  5. Step 5: Solve for x
    x = 618,917,604,370,211,968/1,260,184,111.02
  6. Step 6: Final answer
    x = 491,132,683.68

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Double scale
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1.5x scale

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.