Home / 682,738,319.40-942,181,753.23-369,472,548.66

Finding the Fourth Proportional to 682,738,319.40, 942,181,753.23 and 369,472,548.66

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Solution

The fourth proportional to 682,738,319.40, 942,181,753.23 and 369,472,548.66 is: 509,873,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,738,319.40 : 942,181,753.23 = 369,472,548.66 : x
  2. Step 2: Convert to fraction form
    682,738,319.40/942,181,753.23 = 369,472,548.66/x
  3. Step 3: Cross multiply
    682,738,319.40x = 942,181,753.23 × 369,472,548.66
  4. Step 4: Simplify right side
    682,738,319.40x = 348,110,293,666,835,328
  5. Step 5: Solve for x
    x = 348,110,293,666,835,328/682,738,319.40
  6. Step 6: Final answer
    x = 509,873,671.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.