Home / 510,897,788.70-766,346,683.05-147,404,003.10

Finding the Fourth Proportional to 510,897,788.70, 766,346,683.05 and 147,404,003.10

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Solution

The fourth proportional to 510,897,788.70, 766,346,683.05 and 147,404,003.10 is: 221,106,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,897,788.70 : 766,346,683.05 = 147,404,003.10 : x
  2. Step 2: Convert to fraction form
    510,897,788.70/766,346,683.05 = 147,404,003.10/x
  3. Step 3: Cross multiply
    510,897,788.70x = 766,346,683.05 × 147,404,003.10
  4. Step 4: Simplify right side
    510,897,788.70x = 112,962,568,843,976,912
  5. Step 5: Solve for x
    x = 112,962,568,843,976,912/510,897,788.70
  6. Step 6: Final answer
    x = 221,106,004.65

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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.