Home / 347,751,143.20-521,626,714.80-245,714,471.20

Finding the Fourth Proportional to 347,751,143.20, 521,626,714.80 and 245,714,471.20

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Solution

The fourth proportional to 347,751,143.20, 521,626,714.80 and 245,714,471.20 is: 368,571,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,751,143.20 : 521,626,714.80 = 245,714,471.20 : x
  2. Step 2: Convert to fraction form
    347,751,143.20/521,626,714.80 = 245,714,471.20/x
  3. Step 3: Cross multiply
    347,751,143.20x = 521,626,714.80 × 245,714,471.20
  4. Step 4: Simplify right side
    347,751,143.20x = 128,171,232,390,875,216
  5. Step 5: Solve for x
    x = 128,171,232,390,875,216/347,751,143.20
  6. Step 6: Final answer
    x = 368,571,706.80

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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.