Home / 1,572,048,198.40-2,358,072,297.60-1,209,251,142.40

Finding the Fourth Proportional to 1,572,048,198.40, 2,358,072,297.60 and 1,209,251,142.40

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Solution

The fourth proportional to 1,572,048,198.40, 2,358,072,297.60 and 1,209,251,142.40 is: 1,813,876,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,048,198.40 : 2,358,072,297.60 = 1,209,251,142.40 : x
  2. Step 2: Convert to fraction form
    1,572,048,198.40/2,358,072,297.60 = 1,209,251,142.40/x
  3. Step 3: Cross multiply
    1,572,048,198.40x = 2,358,072,297.60 × 1,209,251,142.40
  4. Step 4: Simplify right side
    1,572,048,198.40x = 2,851,501,619,734,593,024
  5. Step 5: Solve for x
    x = 2,851,501,619,734,593,024/1,572,048,198.40
  6. Step 6: Final answer
    x = 1,813,876,713.60

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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.