Home / 724,006,041.70-1,086,009,062.55-263,959,219.30

Finding the Fourth Proportional to 724,006,041.70, 1,086,009,062.55 and 263,959,219.30

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Solution

The fourth proportional to 724,006,041.70, 1,086,009,062.55 and 263,959,219.30 is: 395,938,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,006,041.70 : 1,086,009,062.55 = 263,959,219.30 : x
  2. Step 2: Convert to fraction form
    724,006,041.70/1,086,009,062.55 = 263,959,219.30/x
  3. Step 3: Cross multiply
    724,006,041.70x = 1,086,009,062.55 × 263,959,219.30
  4. Step 4: Simplify right side
    724,006,041.70x = 286,662,104,303,422,880
  5. Step 5: Solve for x
    x = 286,662,104,303,422,880/724,006,041.70
  6. Step 6: Final answer
    x = 395,938,828.95

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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.