Home / 1,499,858,009.80-2,249,787,014.70-409,451,302.60

Finding the Fourth Proportional to 1,499,858,009.80, 2,249,787,014.70 and 409,451,302.60

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Solution

The fourth proportional to 1,499,858,009.80, 2,249,787,014.70 and 409,451,302.60 is: 614,176,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,858,009.80 : 2,249,787,014.70 = 409,451,302.60 : x
  2. Step 2: Convert to fraction form
    1,499,858,009.80/2,249,787,014.70 = 409,451,302.60/x
  3. Step 3: Cross multiply
    1,499,858,009.80x = 2,249,787,014.70 × 409,451,302.60
  4. Step 4: Simplify right side
    1,499,858,009.80x = 921,178,223,741,480,320
  5. Step 5: Solve for x
    x = 921,178,223,741,480,320/1,499,858,009.80
  6. Step 6: Final answer
    x = 614,176,953.90

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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.