Home / 291,540,681.60-437,421,470.76-175,037,396.64

Finding the Fourth Proportional to 291,540,681.60, 437,421,470.76 and 175,037,396.64

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Solution

The fourth proportional to 291,540,681.60, 437,421,470.76 and 175,037,396.64 is: 262,622,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,540,681.60 : 437,421,470.76 = 175,037,396.64 : x
  2. Step 2: Convert to fraction form
    291,540,681.60/437,421,470.76 = 175,037,396.64/x
  3. Step 3: Cross multiply
    291,540,681.60x = 437,421,470.76 × 175,037,396.64
  4. Step 4: Simplify right side
    291,540,681.60x = 76,565,115,476,270,272
  5. Step 5: Solve for x
    x = 76,565,115,476,270,272/291,540,681.60
  6. Step 6: Final answer
    x = 262,622,406.78

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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.