Home / 366,909,512.10-550,364,268.15-338,849,427.30

Finding the Fourth Proportional to 366,909,512.10, 550,364,268.15 and 338,849,427.30

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Solution

The fourth proportional to 366,909,512.10, 550,364,268.15 and 338,849,427.30 is: 508,274,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909,512.10 : 550,364,268.15 = 338,849,427.30 : x
  2. Step 2: Convert to fraction form
    366,909,512.10/550,364,268.15 = 338,849,427.30/x
  3. Step 3: Cross multiply
    366,909,512.10x = 550,364,268.15 × 338,849,427.30
  4. Step 4: Simplify right side
    366,909,512.10x = 186,490,617,069,011,136
  5. Step 5: Solve for x
    x = 186,490,617,069,011,136/366,909,512.10
  6. Step 6: Final answer
    x = 508,274,140.95

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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.