Home / 265,721,132.70-398,581,699.05-248,715,020.70

Finding the Fourth Proportional to 265,721,132.70, 398,581,699.05 and 248,715,020.70

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Solution

The fourth proportional to 265,721,132.70, 398,581,699.05 and 248,715,020.70 is: 373,072,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,132.70 : 398,581,699.05 = 248,715,020.70 : x
  2. Step 2: Convert to fraction form
    265,721,132.70/398,581,699.05 = 248,715,020.70/x
  3. Step 3: Cross multiply
    265,721,132.70x = 398,581,699.05 × 248,715,020.70
  4. Step 4: Simplify right side
    265,721,132.70x = 99,133,255,529,861,920
  5. Step 5: Solve for x
    x = 99,133,255,529,861,920/265,721,132.70
  6. Step 6: Final answer
    x = 373,072,531.05

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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.