Home / 1,239,363,048.54-1,859,289,895.89-354,056,049.30

Finding the Fourth Proportional to 1,239,363,048.54, 1,859,289,895.89 and 354,056,049.30

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Solution

The fourth proportional to 1,239,363,048.54, 1,859,289,895.89 and 354,056,049.30 is: 531,154,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,363,048.54 : 1,859,289,895.89 = 354,056,049.30 : x
  2. Step 2: Convert to fraction form
    1,239,363,048.54/1,859,289,895.89 = 354,056,049.30/x
  3. Step 3: Cross multiply
    1,239,363,048.54x = 1,859,289,895.89 × 354,056,049.30
  4. Step 4: Simplify right side
    1,239,363,048.54x = 658,292,835,042,221,824
  5. Step 5: Solve for x
    x = 658,292,835,042,221,824/1,239,363,048.54
  6. Step 6: Final answer
    x = 531,154,156.82

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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.