Home / 318,458,973.54-439,304,832-219,167,340.24

Finding the Fourth Proportional to 318,458,973.54, 439,304,832 and 219,167,340.24

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Solution

The fourth proportional to 318,458,973.54, 439,304,832 and 219,167,340.24 is: 302,334,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,458,973.54 : 439,304,832 = 219,167,340.24 : x
  2. Step 2: Convert to fraction form
    318,458,973.54/439,304,832 = 219,167,340.24/x
  3. Step 3: Cross multiply
    318,458,973.54x = 439,304,832 × 219,167,340.24
  4. Step 4: Simplify right side
    318,458,973.54x = 96,281,271,584,020,048
  5. Step 5: Solve for x
    x = 96,281,271,584,020,048/318,458,973.54
  6. Step 6: Final answer
    x = 302,334,930.35

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1.5x scale

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.