Home / 265,720,763.70-398,581,145.55-248,502,075.30

Finding the Fourth Proportional to 265,720,763.70, 398,581,145.55 and 248,502,075.30

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Solution

The fourth proportional to 265,720,763.70, 398,581,145.55 and 248,502,075.30 is: 372,753,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,763.70 : 398,581,145.55 = 248,502,075.30 : x
  2. Step 2: Convert to fraction form
    265,720,763.70/398,581,145.55 = 248,502,075.30/x
  3. Step 3: Cross multiply
    265,720,763.70x = 398,581,145.55 × 248,502,075.30
  4. Step 4: Simplify right side
    265,720,763.70x = 99,048,241,844,626,368
  5. Step 5: Solve for x
    x = 99,048,241,844,626,368/265,720,763.70
  6. Step 6: Final answer
    x = 372,753,112.95

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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.