Home / 488,943,875.40-733,415,813.10-161,469,931.20

Finding the Fourth Proportional to 488,943,875.40, 733,415,813.10 and 161,469,931.20

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Solution

The fourth proportional to 488,943,875.40, 733,415,813.10 and 161,469,931.20 is: 242,204,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,943,875.40 : 733,415,813.10 = 161,469,931.20 : x
  2. Step 2: Convert to fraction form
    488,943,875.40/733,415,813.10 = 161,469,931.20/x
  3. Step 3: Cross multiply
    488,943,875.40x = 733,415,813.10 × 161,469,931.20
  4. Step 4: Simplify right side
    488,943,875.40x = 118,424,600,882,249,056
  5. Step 5: Solve for x
    x = 118,424,600,882,249,056/488,943,875.40
  6. Step 6: Final answer
    x = 242,204,896.80

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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.