Home / 458,221,285.02-632,412,006.09-257,300,714.76

Finding the Fourth Proportional to 458,221,285.02, 632,412,006.09 and 257,300,714.76

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Solution

The fourth proportional to 458,221,285.02, 632,412,006.09 and 257,300,714.76 is: 355,112,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,221,285.02 : 632,412,006.09 = 257,300,714.76 : x
  2. Step 2: Convert to fraction form
    458,221,285.02/632,412,006.09 = 257,300,714.76/x
  3. Step 3: Cross multiply
    458,221,285.02x = 632,412,006.09 × 257,300,714.76
  4. Step 4: Simplify right side
    458,221,285.02x = 162,720,061,189,762,464
  5. Step 5: Solve for x
    x = 162,720,061,189,762,464/458,221,285.02
  6. Step 6: Final answer
    x = 355,112,402.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.