Home / 268,273,093.60-402,409,640.40-258,069,426.40

Finding the Fourth Proportional to 268,273,093.60, 402,409,640.40 and 258,069,426.40

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Solution

The fourth proportional to 268,273,093.60, 402,409,640.40 and 258,069,426.40 is: 387,104,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,273,093.60 : 402,409,640.40 = 258,069,426.40 : x
  2. Step 2: Convert to fraction form
    268,273,093.60/402,409,640.40 = 258,069,426.40/x
  3. Step 3: Cross multiply
    268,273,093.60x = 402,409,640.40 × 258,069,426.40
  4. Step 4: Simplify right side
    268,273,093.60x = 103,849,625,075,858,256
  5. Step 5: Solve for x
    x = 103,849,625,075,858,256/268,273,093.60
  6. Step 6: Final answer
    x = 387,104,139.60

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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.