Home / 393,025,238.33-589,316,642.03-130,569,280.71

Finding the Fourth Proportional to 393,025,238.33, 589,316,642.03 and 130,569,280.71

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Solution

The fourth proportional to 393,025,238.33, 589,316,642.03 and 130,569,280.71 is: 195,780,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,025,238.33 : 589,316,642.03 = 130,569,280.71 : x
  2. Step 2: Convert to fraction form
    393,025,238.33/589,316,642.03 = 130,569,280.71/x
  3. Step 3: Cross multiply
    393,025,238.33x = 589,316,642.03 × 130,569,280.71
  4. Step 4: Simplify right side
    393,025,238.33x = 76,946,650,059,636,800
  5. Step 5: Solve for x
    x = 76,946,650,059,636,800/393,025,238.33
  6. Step 6: Final answer
    x = 195,780,429.74

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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.