Home / 1,161,648,011.20-1,742,472,016.80-300,005,003.20

Finding the Fourth Proportional to 1,161,648,011.20, 1,742,472,016.80 and 300,005,003.20

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Solution

The fourth proportional to 1,161,648,011.20, 1,742,472,016.80 and 300,005,003.20 is: 450,007,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,648,011.20 : 1,742,472,016.80 = 300,005,003.20 : x
  2. Step 2: Convert to fraction form
    1,161,648,011.20/1,742,472,016.80 = 300,005,003.20/x
  3. Step 3: Cross multiply
    1,161,648,011.20x = 1,742,472,016.80 × 300,005,003.20
  4. Step 4: Simplify right side
    1,161,648,011.20x = 522,750,322,975,994,432
  5. Step 5: Solve for x
    x = 522,750,322,975,994,432/1,161,648,011.20
  6. Step 6: Final answer
    x = 450,007,504.80

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1.5x scale

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.