Home / 291,207,188.40-436,810,782.60-264,847,714.80

Finding the Fourth Proportional to 291,207,188.40, 436,810,782.60 and 264,847,714.80

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Solution

The fourth proportional to 291,207,188.40, 436,810,782.60 and 264,847,714.80 is: 397,271,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,207,188.40 : 436,810,782.60 = 264,847,714.80 : x
  2. Step 2: Convert to fraction form
    291,207,188.40/436,810,782.60 = 264,847,714.80/x
  3. Step 3: Cross multiply
    291,207,188.40x = 436,810,782.60 × 264,847,714.80
  4. Step 4: Simplify right side
    291,207,188.40x = 115,688,337,571,609,616
  5. Step 5: Solve for x
    x = 115,688,337,571,609,616/291,207,188.40
  6. Step 6: Final answer
    x = 397,271,572.20

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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.