Home / 1,327,287,231.50-1,831,660,077.40-724,463,297.80

Finding the Fourth Proportional to 1,327,287,231.50, 1,831,660,077.40 and 724,463,297.80

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Solution

The fourth proportional to 1,327,287,231.50, 1,831,660,077.40 and 724,463,297.80 is: 999,761,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,287,231.50 : 1,831,660,077.40 = 724,463,297.80 : x
  2. Step 2: Convert to fraction form
    1,327,287,231.50/1,831,660,077.40 = 724,463,297.80/x
  3. Step 3: Cross multiply
    1,327,287,231.50x = 1,831,660,077.40 × 724,463,297.80
  4. Step 4: Simplify right side
    1,327,287,231.50x = 1,326,970,500,115,417,088
  5. Step 5: Solve for x
    x = 1,326,970,500,115,417,088/1,327,287,231.50
  6. Step 6: Final answer
    x = 999,761,369.38

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1.5x scale

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.