Home / 649,439,448.96-896,233,462.67-381,526,574.40

Finding the Fourth Proportional to 649,439,448.96, 896,233,462.67 and 381,526,574.40

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Solution

The fourth proportional to 649,439,448.96, 896,233,462.67 and 381,526,574.40 is: 526,510,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,439,448.96 : 896,233,462.67 = 381,526,574.40 : x
  2. Step 2: Convert to fraction form
    649,439,448.96/896,233,462.67 = 381,526,574.40/x
  3. Step 3: Cross multiply
    649,439,448.96x = 896,233,462.67 × 381,526,574.40
  4. Step 4: Simplify right side
    649,439,448.96x = 341,936,882,877,900,928
  5. Step 5: Solve for x
    x = 341,936,882,877,900,928/649,439,448.96
  6. Step 6: Final answer
    x = 526,510,798.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.