Home / 401,266,937,040.77-553,748,463,503.40-220,825,844,289.02

Finding the Fourth Proportional to 401,266,937,040.77, 553,748,463,503.40 and 220,825,844,289.02

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Solution

The fourth proportional to 401,266,937,040.77, 553,748,463,503.40 and 220,825,844,289.02 is: 304,739,714,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,266,937,040.77 : 553,748,463,503.40 = 220,825,844,289.02 : x
  2. Step 2: Convert to fraction form
    401,266,937,040.77/553,748,463,503.40 = 220,825,844,289.02/x
  3. Step 3: Cross multiply
    401,266,937,040.77x = 553,748,463,503.40 × 220,825,844,289.02
  4. Step 4: Simplify right side
    401,266,937,040.77x = 122,281,971,976,885,883,633,664
  5. Step 5: Solve for x
    x = 122,281,971,976,885,883,633,664/401,266,937,040.77
  6. Step 6: Final answer
    x = 304,739,714,860.84

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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.