Home / 291,207,185.40-436,810,778.10-264,847,711.80

Finding the Fourth Proportional to 291,207,185.40, 436,810,778.10 and 264,847,711.80

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Solution

The fourth proportional to 291,207,185.40, 436,810,778.10 and 264,847,711.80 is: 397,271,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,207,185.40 : 436,810,778.10 = 264,847,711.80 : x
  2. Step 2: Convert to fraction form
    291,207,185.40/436,810,778.10 = 264,847,711.80/x
  3. Step 3: Cross multiply
    291,207,185.40x = 436,810,778.10 × 264,847,711.80
  4. Step 4: Simplify right side
    291,207,185.40x = 115,688,335,069,362,560
  5. Step 5: Solve for x
    x = 115,688,335,069,362,560/291,207,185.40
  6. Step 6: Final answer
    x = 397,271,567.70

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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.