Home / 492,083,820.60-737,621,846.10-287,506,591.80

Finding the Fourth Proportional to 492,083,820.60, 737,621,846.10 and 287,506,591.80

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Solution

The fourth proportional to 492,083,820.60, 737,621,846.10 and 287,506,591.80 is: 430,965,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,083,820.60 : 737,621,846.10 = 287,506,591.80 : x
  2. Step 2: Convert to fraction form
    492,083,820.60/737,621,846.10 = 287,506,591.80/x
  3. Step 3: Cross multiply
    492,083,820.60x = 737,621,846.10 × 287,506,591.80
  4. Step 4: Simplify right side
    492,083,820.60x = 212,071,143,009,435,136
  5. Step 5: Solve for x
    x = 212,071,143,009,435,136/492,083,820.60
  6. Step 6: Final answer
    x = 430,965,486.23

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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.