Home / 476,928,020.20-715,392,030.30-400,400,516.20

Finding the Fourth Proportional to 476,928,020.20, 715,392,030.30 and 400,400,516.20

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Solution

The fourth proportional to 476,928,020.20, 715,392,030.30 and 400,400,516.20 is: 600,600,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928,020.20 : 715,392,030.30 = 400,400,516.20 : x
  2. Step 2: Convert to fraction form
    476,928,020.20/715,392,030.30 = 400,400,516.20/x
  3. Step 3: Cross multiply
    476,928,020.20x = 715,392,030.30 × 400,400,516.20
  4. Step 4: Simplify right side
    476,928,020.20x = 286,443,338,217,486,016
  5. Step 5: Solve for x
    x = 286,443,338,217,486,016/476,928,020.20
  6. Step 6: Final answer
    x = 600,600,774.30

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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.