Home / 401,266,937,043.02-553,748,463,506.50-220,825,844,291.27

Finding the Fourth Proportional to 401,266,937,043.02, 553,748,463,506.50 and 220,825,844,291.27

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Solution

The fourth proportional to 401,266,937,043.02, 553,748,463,506.50 and 220,825,844,291.27 is: 304,739,714,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,266,937,043.02 : 553,748,463,506.50 = 220,825,844,291.27 : x
  2. Step 2: Convert to fraction form
    401,266,937,043.02/553,748,463,506.50 = 220,825,844,291.27/x
  3. Step 3: Cross multiply
    401,266,937,043.02x = 553,748,463,506.50 × 220,825,844,291.27
  4. Step 4: Simplify right side
    401,266,937,043.02x = 122,281,971,978,816,370,769,920
  5. Step 5: Solve for x
    x = 122,281,971,978,816,370,769,920/401,266,937,043.02
  6. Step 6: Final answer
    x = 304,739,714,863.94

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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.