Home / 262,713,864,908.94-394,030,980,724.77-71,500,803,012.60

Finding the Fourth Proportional to 262,713,864,908.94, 394,030,980,724.77 and 71,500,803,012.60

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Solution

The fourth proportional to 262,713,864,908.94, 394,030,980,724.77 and 71,500,803,012.60 is: 107,240,367,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,713,864,908.94 : 394,030,980,724.77 = 71,500,803,012.60 : x
  2. Step 2: Convert to fraction form
    262,713,864,908.94/394,030,980,724.77 = 71,500,803,012.60/x
  3. Step 3: Cross multiply
    262,713,864,908.94x = 394,030,980,724.77 × 71,500,803,012.60
  4. Step 4: Simplify right side
    262,713,864,908.94x = 28,173,531,533,663,371,526,144
  5. Step 5: Solve for x
    x = 28,173,531,533,663,371,526,144/262,713,864,908.94
  6. Step 6: Final answer
    x = 107,240,367,931.97

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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.