Home / 1,260,184,145.66-1,890,261,013.13-327,424,457.58

Finding the Fourth Proportional to 1,260,184,145.66, 1,890,261,013.13 and 327,424,457.58

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Solution

The fourth proportional to 1,260,184,145.66, 1,890,261,013.13 and 327,424,457.58 is: 491,132,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,184,145.66 : 1,890,261,013.13 = 327,424,457.58 : x
  2. Step 2: Convert to fraction form
    1,260,184,145.66/1,890,261,013.13 = 327,424,457.58/x
  3. Step 3: Cross multiply
    1,260,184,145.66x = 1,890,261,013.13 × 327,424,457.58
  4. Step 4: Simplify right side
    1,260,184,145.66x = 618,917,686,908,711,552
  5. Step 5: Solve for x
    x = 618,917,686,908,711,552/1,260,184,145.66
  6. Step 6: Final answer
    x = 491,132,735.67

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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.