Home / 380,393,461.76-570,191,953.53-159,191,538.18

Finding the Fourth Proportional to 380,393,461.76, 570,191,953.53 and 159,191,538.18

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Solution

The fourth proportional to 380,393,461.76, 570,191,953.53 and 159,191,538.18 is: 238,620,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,393,461.76 : 570,191,953.53 = 159,191,538.18 : x
  2. Step 2: Convert to fraction form
    380,393,461.76/570,191,953.53 = 159,191,538.18/x
  3. Step 3: Cross multiply
    380,393,461.76x = 570,191,953.53 × 159,191,538.18
  4. Step 4: Simplify right side
    380,393,461.76x = 90,769,734,138,758,544
  5. Step 5: Solve for x
    x = 90,769,734,138,758,544/380,393,461.76
  6. Step 6: Final answer
    x = 238,620,647.47

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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.