Home / 449,075,400.90-673,613,101.35-219,191,957.70

Finding the Fourth Proportional to 449,075,400.90, 673,613,101.35 and 219,191,957.70

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Solution

The fourth proportional to 449,075,400.90, 673,613,101.35 and 219,191,957.70 is: 328,787,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,075,400.90 : 673,613,101.35 = 219,191,957.70 : x
  2. Step 2: Convert to fraction form
    449,075,400.90/673,613,101.35 = 219,191,957.70/x
  3. Step 3: Cross multiply
    449,075,400.90x = 673,613,101.35 × 219,191,957.70
  4. Step 4: Simplify right side
    449,075,400.90x = 147,650,574,417,275,008
  5. Step 5: Solve for x
    x = 147,650,574,417,275,008/449,075,400.90
  6. Step 6: Final answer
    x = 328,787,936.55

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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.