Home / 266,272,605,959.40-399,546,228,078.32-124,796,400,633.36

Finding the Fourth Proportional to 266,272,605,959.40, 399,546,228,078.32 and 124,796,400,633.36

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Solution

The fourth proportional to 266,272,605,959.40, 399,546,228,078.32 and 124,796,400,633.36 is: 187,258,959,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,272,605,959.40 : 399,546,228,078.32 = 124,796,400,633.36 : x
  2. Step 2: Convert to fraction form
    266,272,605,959.40/399,546,228,078.32 = 124,796,400,633.36/x
  3. Step 3: Cross multiply
    266,272,605,959.40x = 399,546,228,078.32 × 124,796,400,633.36
  4. Step 4: Simplify right side
    266,272,605,959.40x = 49,861,931,150,809,852,018,688
  5. Step 5: Solve for x
    x = 49,861,931,150,809,852,018,688/266,272,605,959.40
  6. Step 6: Final answer
    x = 187,258,959,558.21

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1.5x scale

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.