Home / 336,803,999.40-505,205,999.10-318,097,276.20

Finding the Fourth Proportional to 336,803,999.40, 505,205,999.10 and 318,097,276.20

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Solution

The fourth proportional to 336,803,999.40, 505,205,999.10 and 318,097,276.20 is: 477,145,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,803,999.40 : 505,205,999.10 = 318,097,276.20 : x
  2. Step 2: Convert to fraction form
    336,803,999.40/505,205,999.10 = 318,097,276.20/x
  3. Step 3: Cross multiply
    336,803,999.40x = 505,205,999.10 × 318,097,276.20
  4. Step 4: Simplify right side
    336,803,999.40x = 160,704,652,233,609,664
  5. Step 5: Solve for x
    x = 160,704,652,233,609,664/336,803,999.40
  6. Step 6: Final answer
    x = 477,145,914.30

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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.