Home / 366,909,505.10-550,364,257.65-338,849,420.30

Finding the Fourth Proportional to 366,909,505.10, 550,364,257.65 and 338,849,420.30

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Solution

The fourth proportional to 366,909,505.10, 550,364,257.65 and 338,849,420.30 is: 508,274,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909,505.10 : 550,364,257.65 = 338,849,420.30 : x
  2. Step 2: Convert to fraction form
    366,909,505.10/550,364,257.65 = 338,849,420.30/x
  3. Step 3: Cross multiply
    366,909,505.10x = 550,364,257.65 × 338,849,420.30
  4. Step 4: Simplify right side
    366,909,505.10x = 186,490,609,658,542,336
  5. Step 5: Solve for x
    x = 186,490,609,658,542,336/366,909,505.10
  6. Step 6: Final answer
    x = 508,274,130.45

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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.