Home / 383,817,393.74-575,727,769.14-121,503,225.52

Finding the Fourth Proportional to 383,817,393.74, 575,727,769.14 and 121,503,225.52

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Solution

The fourth proportional to 383,817,393.74, 575,727,769.14 and 121,503,225.52 is: 182,255,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,817,393.74 : 575,727,769.14 = 121,503,225.52 : x
  2. Step 2: Convert to fraction form
    383,817,393.74/575,727,769.14 = 121,503,225.52/x
  3. Step 3: Cross multiply
    383,817,393.74x = 575,727,769.14 × 121,503,225.52
  4. Step 4: Simplify right side
    383,817,393.74x = 69,952,780,972,209,152
  5. Step 5: Solve for x
    x = 69,952,780,972,209,152/383,817,393.74
  6. Step 6: Final answer
    x = 182,255,369.64

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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.