Home / 651,567,468.48-899,452,954.08-387,335,002.56

Finding the Fourth Proportional to 651,567,468.48, 899,452,954.08 and 387,335,002.56

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Solution

The fourth proportional to 651,567,468.48, 899,452,954.08 and 387,335,002.56 is: 534,694,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,567,468.48 : 899,452,954.08 = 387,335,002.56 : x
  2. Step 2: Convert to fraction form
    651,567,468.48/899,452,954.08 = 387,335,002.56/x
  3. Step 3: Cross multiply
    651,567,468.48x = 899,452,954.08 × 387,335,002.56
  4. Step 4: Simplify right side
    651,567,468.48x = 348,389,612,271,176,384
  5. Step 5: Solve for x
    x = 348,389,612,271,176,384/651,567,468.48
  6. Step 6: Final answer
    x = 534,694,608.19

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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.