Home / 862,335,048.59-1,293,512,945.58-240,512,417.46

Finding the Fourth Proportional to 862,335,048.59, 1,293,512,945.58 and 240,512,417.46

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Solution

The fourth proportional to 862,335,048.59, 1,293,512,945.58 and 240,512,417.46 is: 360,771,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,335,048.59 : 1,293,512,945.58 = 240,512,417.46 : x
  2. Step 2: Convert to fraction form
    862,335,048.59/1,293,512,945.58 = 240,512,417.46/x
  3. Step 3: Cross multiply
    862,335,048.59x = 1,293,512,945.58 × 240,512,417.46
  4. Step 4: Simplify right side
    862,335,048.59x = 311,105,925,557,251,200
  5. Step 5: Solve for x
    x = 311,105,925,557,251,200/862,335,048.59
  6. Step 6: Final answer
    x = 360,771,519.22

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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.