Home / 393,216,244.86-589,920,399.39-130,900,289.07

Finding the Fourth Proportional to 393,216,244.86, 589,920,399.39 and 130,900,289.07

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Solution

The fourth proportional to 393,216,244.86, 589,920,399.39 and 130,900,289.07 is: 196,382,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,216,244.86 : 589,920,399.39 = 130,900,289.07 : x
  2. Step 2: Convert to fraction form
    393,216,244.86/589,920,399.39 = 130,900,289.07/x
  3. Step 3: Cross multiply
    393,216,244.86x = 589,920,399.39 × 130,900,289.07
  4. Step 4: Simplify right side
    393,216,244.86x = 77,220,750,808,440,848
  5. Step 5: Solve for x
    x = 77,220,750,808,440,848/393,216,244.86
  6. Step 6: Final answer
    x = 196,382,402.35

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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.