Home / 400,795,967.76-601,209,830.52-190,656,177.36

Finding the Fourth Proportional to 400,795,967.76, 601,209,830.52 and 190,656,177.36

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Solution

The fourth proportional to 400,795,967.76, 601,209,830.52 and 190,656,177.36 is: 285,991,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,795,967.76 : 601,209,830.52 = 190,656,177.36 : x
  2. Step 2: Convert to fraction form
    400,795,967.76/601,209,830.52 = 190,656,177.36/x
  3. Step 3: Cross multiply
    400,795,967.76x = 601,209,830.52 × 190,656,177.36
  4. Step 4: Simplify right side
    400,795,967.76x = 114,624,368,078,196,672
  5. Step 5: Solve for x
    x = 114,624,368,078,196,672/400,795,967.76
  6. Step 6: Final answer
    x = 285,991,819.53

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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.