Home / 502,456,890.91-692,909,297.70-332,642,316.91

Finding the Fourth Proportional to 502,456,890.91, 692,909,297.70 and 332,642,316.91

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Solution

The fourth proportional to 502,456,890.91, 692,909,297.70 and 332,642,316.91 is: 458,727,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,456,890.91 : 692,909,297.70 = 332,642,316.91 : x
  2. Step 2: Convert to fraction form
    502,456,890.91/692,909,297.70 = 332,642,316.91/x
  3. Step 3: Cross multiply
    502,456,890.91x = 692,909,297.70 × 332,642,316.91
  4. Step 4: Simplify right side
    502,456,890.91x = 230,490,954,195,408,960
  5. Step 5: Solve for x
    x = 230,490,954,195,408,960/502,456,890.91
  6. Step 6: Final answer
    x = 458,727,819.97

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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.