Home / 336,885,708.60-505,328,562.90-205,938,646.20

Finding the Fourth Proportional to 336,885,708.60, 505,328,562.90 and 205,938,646.20

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Solution

The fourth proportional to 336,885,708.60, 505,328,562.90 and 205,938,646.20 is: 308,907,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,885,708.60 : 505,328,562.90 = 205,938,646.20 : x
  2. Step 2: Convert to fraction form
    336,885,708.60/505,328,562.90 = 205,938,646.20/x
  3. Step 3: Cross multiply
    336,885,708.60x = 505,328,562.90 × 205,938,646.20
  4. Step 4: Simplify right side
    336,885,708.60x = 104,066,680,129,817,536
  5. Step 5: Solve for x
    x = 104,066,680,129,817,536/336,885,708.60
  6. Step 6: Final answer
    x = 308,907,969.30

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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.