Home / 1,260,184,145.16-1,890,261,012.38-327,424,457.08

Finding the Fourth Proportional to 1,260,184,145.16, 1,890,261,012.38 and 327,424,457.08

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Solution

The fourth proportional to 1,260,184,145.16, 1,890,261,012.38 and 327,424,457.08 is: 491,132,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,184,145.16 : 1,890,261,012.38 = 327,424,457.08 : x
  2. Step 2: Convert to fraction form
    1,260,184,145.16/1,890,261,012.38 = 327,424,457.08/x
  3. Step 3: Cross multiply
    1,260,184,145.16x = 1,890,261,012.38 × 327,424,457.08
  4. Step 4: Simplify right side
    1,260,184,145.16x = 618,917,685,718,012,672
  5. Step 5: Solve for x
    x = 618,917,685,718,012,672/1,260,184,145.16
  6. Step 6: Final answer
    x = 491,132,734.92

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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.