Home / 268,739,127,819.24-370,871,263,197.54-154,553,837,965.80

Finding the Fourth Proportional to 268,739,127,819.24, 370,871,263,197.54 and 154,553,837,965.80

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Solution

The fourth proportional to 268,739,127,819.24, 370,871,263,197.54 and 154,553,837,965.80 is: 213,290,776,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,739,127,819.24 : 370,871,263,197.54 = 154,553,837,965.80 : x
  2. Step 2: Convert to fraction form
    268,739,127,819.24/370,871,263,197.54 = 154,553,837,965.80/x
  3. Step 3: Cross multiply
    268,739,127,819.24x = 370,871,263,197.54 × 154,553,837,965.80
  4. Step 4: Simplify right side
    268,739,127,819.24x = 57,319,577,118,404,151,083,008
  5. Step 5: Solve for x
    x = 57,319,577,118,404,151,083,008/268,739,127,819.24
  6. Step 6: Final answer
    x = 213,290,776,015.91

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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.