Home / 401,266,937,040.02-553,748,463,502.35-220,825,844,288.27

Finding the Fourth Proportional to 401,266,937,040.02, 553,748,463,502.35 and 220,825,844,288.27

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Solution

The fourth proportional to 401,266,937,040.02, 553,748,463,502.35 and 220,825,844,288.27 is: 304,739,714,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,266,937,040.02 : 553,748,463,502.35 = 220,825,844,288.27 : x
  2. Step 2: Convert to fraction form
    401,266,937,040.02/553,748,463,502.35 = 220,825,844,288.27/x
  3. Step 3: Cross multiply
    401,266,937,040.02x = 553,748,463,502.35 × 220,825,844,288.27
  4. Step 4: Simplify right side
    401,266,937,040.02x = 122,281,971,976,238,685,749,248
  5. Step 5: Solve for x
    x = 122,281,971,976,238,685,749,248/401,266,937,040.02
  6. Step 6: Final answer
    x = 304,739,714,859.79

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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.