Home / 1,345,247,925.60-2,017,871,888.40-825,994,639.20

Finding the Fourth Proportional to 1,345,247,925.60, 2,017,871,888.40 and 825,994,639.20

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Solution

The fourth proportional to 1,345,247,925.60, 2,017,871,888.40 and 825,994,639.20 is: 1,238,991,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,247,925.60 : 2,017,871,888.40 = 825,994,639.20 : x
  2. Step 2: Convert to fraction form
    1,345,247,925.60/2,017,871,888.40 = 825,994,639.20/x
  3. Step 3: Cross multiply
    1,345,247,925.60x = 2,017,871,888.40 × 825,994,639.20
  4. Step 4: Simplify right side
    1,345,247,925.60x = 1,666,751,362,410,780,928
  5. Step 5: Solve for x
    x = 1,666,751,362,410,780,928/1,345,247,925.60
  6. Step 6: Final answer
    x = 1,238,991,958.80

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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.