Home / 265,724,143.20-398,586,214.80-238,939,516.80

Finding the Fourth Proportional to 265,724,143.20, 398,586,214.80 and 238,939,516.80

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Solution

The fourth proportional to 265,724,143.20, 398,586,214.80 and 238,939,516.80 is: 358,409,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,724,143.20 : 398,586,214.80 = 238,939,516.80 : x
  2. Step 2: Convert to fraction form
    265,724,143.20/398,586,214.80 = 238,939,516.80/x
  3. Step 3: Cross multiply
    265,724,143.20x = 398,586,214.80 × 238,939,516.80
  4. Step 4: Simplify right side
    265,724,143.20x = 95,237,997,567,453,024
  5. Step 5: Solve for x
    x = 95,237,997,567,453,024/265,724,143.20
  6. Step 6: Final answer
    x = 358,409,275.20

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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.