Home / 726,686,041.57-1,089,976,336.01-283,945,472.32

Finding the Fourth Proportional to 726,686,041.57, 1,089,976,336.01 and 283,945,472.32

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Solution

The fourth proportional to 726,686,041.57, 1,089,976,336.01 and 283,945,472.32 is: 425,897,606.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,686,041.57 : 1,089,976,336.01 = 283,945,472.32 : x
  2. Step 2: Convert to fraction form
    726,686,041.57/1,089,976,336.01 = 283,945,472.32/x
  3. Step 3: Cross multiply
    726,686,041.57x = 1,089,976,336.01 × 283,945,472.32
  4. Step 4: Simplify right side
    726,686,041.57x = 309,493,845,547,667,008
  5. Step 5: Solve for x
    x = 309,493,845,547,667,008/726,686,041.57
  6. Step 6: Final answer
    x = 425,897,606.18

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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.