Home / 614,132,449.48-921,360,206.04-220,699,022.68

Finding the Fourth Proportional to 614,132,449.48, 921,360,206.04 and 220,699,022.68

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Solution

The fourth proportional to 614,132,449.48, 921,360,206.04 and 220,699,022.68 is: 331,106,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,132,449.48 : 921,360,206.04 = 220,699,022.68 : x
  2. Step 2: Convert to fraction form
    614,132,449.48/921,360,206.04 = 220,699,022.68/x
  3. Step 3: Cross multiply
    614,132,449.48x = 921,360,206.04 × 220,699,022.68
  4. Step 4: Simplify right side
    614,132,449.48x = 203,343,297,009,271,424
  5. Step 5: Solve for x
    x = 203,343,297,009,271,424/614,132,449.48
  6. Step 6: Final answer
    x = 331,106,583.25

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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.