Home / 807,733,809.60-1,211,600,714.40-501,371,851.20

Finding the Fourth Proportional to 807,733,809.60, 1,211,600,714.40 and 501,371,851.20

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Solution

The fourth proportional to 807,733,809.60, 1,211,600,714.40 and 501,371,851.20 is: 752,057,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,733,809.60 : 1,211,600,714.40 = 501,371,851.20 : x
  2. Step 2: Convert to fraction form
    807,733,809.60/1,211,600,714.40 = 501,371,851.20/x
  3. Step 3: Cross multiply
    807,733,809.60x = 1,211,600,714.40 × 501,371,851.20
  4. Step 4: Simplify right side
    807,733,809.60x = 607,462,493,093,970,560
  5. Step 5: Solve for x
    x = 607,462,493,093,970,560/807,733,809.60
  6. Step 6: Final answer
    x = 752,057,776.80

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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.