Home / 471,503,272.38-645,962,620.50-453,830,971.02

Finding the Fourth Proportional to 471,503,272.38, 645,962,620.50 and 453,830,971.02

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Solution

The fourth proportional to 471,503,272.38, 645,962,620.50 and 453,830,971.02 is: 621,751,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,503,272.38 : 645,962,620.50 = 453,830,971.02 : x
  2. Step 2: Convert to fraction form
    471,503,272.38/645,962,620.50 = 453,830,971.02/x
  3. Step 3: Cross multiply
    471,503,272.38x = 645,962,620.50 × 453,830,971.02
  4. Step 4: Simplify right side
    471,503,272.38x = 293,157,843,304,138,752
  5. Step 5: Solve for x
    x = 293,157,843,304,138,752/471,503,272.38
  6. Step 6: Final answer
    x = 621,751,450.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.