Home / 265,721,148.20-398,581,722.30-248,715,036.20

Finding the Fourth Proportional to 265,721,148.20, 398,581,722.30 and 248,715,036.20

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Solution

The fourth proportional to 265,721,148.20, 398,581,722.30 and 248,715,036.20 is: 373,072,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,148.20 : 398,581,722.30 = 248,715,036.20 : x
  2. Step 2: Convert to fraction form
    265,721,148.20/398,581,722.30 = 248,715,036.20/x
  3. Step 3: Cross multiply
    265,721,148.20x = 398,581,722.30 × 248,715,036.20
  4. Step 4: Simplify right side
    265,721,148.20x = 99,133,267,490,502,848
  5. Step 5: Solve for x
    x = 99,133,267,490,502,848/265,721,148.20
  6. Step 6: Final answer
    x = 373,072,554.30

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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.