Home / 508,459,353.84-701,635,162.23-285,397,934.58

Finding the Fourth Proportional to 508,459,353.84, 701,635,162.23 and 285,397,934.58

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Solution

The fourth proportional to 508,459,353.84, 701,635,162.23 and 285,397,934.58 is: 393,827,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,459,353.84 : 701,635,162.23 = 285,397,934.58 : x
  2. Step 2: Convert to fraction form
    508,459,353.84/701,635,162.23 = 285,397,934.58/x
  3. Step 3: Cross multiply
    508,459,353.84x = 701,635,162.23 × 285,397,934.58
  4. Step 4: Simplify right side
    508,459,353.84x = 200,245,226,129,145,216
  5. Step 5: Solve for x
    x = 200,245,226,129,145,216/508,459,353.84
  6. Step 6: Final answer
    x = 393,827,401.57

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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.