Home / 508,361,502.51-701,500,373.16-285,300,103.74

Finding the Fourth Proportional to 508,361,502.51, 701,500,373.16 and 285,300,103.74

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Solution

The fourth proportional to 508,361,502.51, 701,500,373.16 and 285,300,103.74 is: 393,692,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,361,502.51 : 701,500,373.16 = 285,300,103.74 : x
  2. Step 2: Convert to fraction form
    508,361,502.51/701,500,373.16 = 285,300,103.74/x
  3. Step 3: Cross multiply
    508,361,502.51x = 701,500,373.16 × 285,300,103.74
  4. Step 4: Simplify right side
    508,361,502.51x = 200,138,129,236,196,704
  5. Step 5: Solve for x
    x = 200,138,129,236,196,704/508,361,502.51
  6. Step 6: Final answer
    x = 393,692,536.21

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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.