Home / 1,199,448,052.80-1,799,172,079.20-381,643,022.40

Finding the Fourth Proportional to 1,199,448,052.80, 1,799,172,079.20 and 381,643,022.40

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Solution

The fourth proportional to 1,199,448,052.80, 1,799,172,079.20 and 381,643,022.40 is: 572,464,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,448,052.80 : 1,799,172,079.20 = 381,643,022.40 : x
  2. Step 2: Convert to fraction form
    1,199,448,052.80/1,799,172,079.20 = 381,643,022.40/x
  3. Step 3: Cross multiply
    1,199,448,052.80x = 1,799,172,079.20 × 381,643,022.40
  4. Step 4: Simplify right side
    1,199,448,052.80x = 686,641,470,123,580,160
  5. Step 5: Solve for x
    x = 686,641,470,123,580,160/1,199,448,052.80
  6. Step 6: Final answer
    x = 572,464,533.60

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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.