Home / 488,810,975.40-733,216,463.10-425,675,784.60

Finding the Fourth Proportional to 488,810,975.40, 733,216,463.10 and 425,675,784.60

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Solution

The fourth proportional to 488,810,975.40, 733,216,463.10 and 425,675,784.60 is: 638,513,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,810,975.40 : 733,216,463.10 = 425,675,784.60 : x
  2. Step 2: Convert to fraction form
    488,810,975.40/733,216,463.10 = 425,675,784.60/x
  3. Step 3: Cross multiply
    488,810,975.40x = 733,216,463.10 × 425,675,784.60
  4. Step 4: Simplify right side
    488,810,975.40x = 312,112,493,211,729,472
  5. Step 5: Solve for x
    x = 312,112,493,211,729,472/488,810,975.40
  6. Step 6: Final answer
    x = 638,513,676.90

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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.