Home / 508,965,965.60-763,672,897.20-236,196,327.20

Finding the Fourth Proportional to 508,965,965.60, 763,672,897.20 and 236,196,327.20

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Solution

The fourth proportional to 508,965,965.60, 763,672,897.20 and 236,196,327.20 is: 354,398,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,965,965.60 : 763,672,897.20 = 236,196,327.20 : x
  2. Step 2: Convert to fraction form
    508,965,965.60/763,672,897.20 = 236,196,327.20/x
  3. Step 3: Cross multiply
    508,965,965.60x = 763,672,897.20 × 236,196,327.20
  4. Step 4: Simplify right side
    508,965,965.60x = 180,376,733,500,823,168
  5. Step 5: Solve for x
    x = 180,376,733,500,823,168/508,965,965.60
  6. Step 6: Final answer
    x = 354,398,418.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.