Home / 450,326,868.30-621,130,711.71-413,276,791.95

Finding the Fourth Proportional to 450,326,868.30, 621,130,711.71 and 413,276,791.95

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Solution

The fourth proportional to 450,326,868.30, 621,130,711.71 and 413,276,791.95 is: 570,027,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,326,868.30 : 621,130,711.71 = 413,276,791.95 : x
  2. Step 2: Convert to fraction form
    450,326,868.30/621,130,711.71 = 413,276,791.95/x
  3. Step 3: Cross multiply
    450,326,868.30x = 621,130,711.71 × 413,276,791.95
  4. Step 4: Simplify right side
    450,326,868.30x = 256,698,907,917,129,120
  5. Step 5: Solve for x
    x = 256,698,907,917,129,120/450,326,868.30
  6. Step 6: Final answer
    x = 570,027,964.10

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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.