Home / 265,746,075.70-398,619,113.55-238,961,449.30

Finding the Fourth Proportional to 265,746,075.70, 398,619,113.55 and 238,961,449.30

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Solution

The fourth proportional to 265,746,075.70, 398,619,113.55 and 238,961,449.30 is: 358,442,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,746,075.70 : 398,619,113.55 = 238,961,449.30 : x
  2. Step 2: Convert to fraction form
    265,746,075.70/398,619,113.55 = 238,961,449.30/x
  3. Step 3: Cross multiply
    265,746,075.70x = 398,619,113.55 × 238,961,449.30
  4. Step 4: Simplify right side
    265,746,075.70x = 95,254,601,092,589,280
  5. Step 5: Solve for x
    x = 95,254,601,092,589,280/265,746,075.70
  6. Step 6: Final answer
    x = 358,442,173.95

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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.