Home / 508,464,110.70-762,696,166.05-386,020,104.30

Finding the Fourth Proportional to 508,464,110.70, 762,696,166.05 and 386,020,104.30

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Solution

The fourth proportional to 508,464,110.70, 762,696,166.05 and 386,020,104.30 is: 579,030,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,464,110.70 : 762,696,166.05 = 386,020,104.30 : x
  2. Step 2: Convert to fraction form
    508,464,110.70/762,696,166.05 = 386,020,104.30/x
  3. Step 3: Cross multiply
    508,464,110.70x = 762,696,166.05 × 386,020,104.30
  4. Step 4: Simplify right side
    508,464,110.70x = 294,416,053,567,831,104
  5. Step 5: Solve for x
    x = 294,416,053,567,831,104/508,464,110.70
  6. Step 6: Final answer
    x = 579,030,156.45

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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.