Home / 5,438,835,939,400-7,505,698,067,151.20-2,969,744,709,168.40

Finding the Fourth Proportional to 5,438,835,939,400, 7,505,698,067,151.20 and 2,969,744,709,168.40

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Solution

The fourth proportional to 5,438,835,939,400, 7,505,698,067,151.20 and 2,969,744,709,168.40 is: 4,098,304,742,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,835,939,400 : 7,505,698,067,151.20 = 2,969,744,709,168.40 : x
  2. Step 2: Convert to fraction form
    5,438,835,939,400/7,505,698,067,151.20 = 2,969,744,709,168.40/x
  3. Step 3: Cross multiply
    5,438,835,939,400x = 7,505,698,067,151.20 × 2,969,744,709,168.40
  4. Step 4: Simplify right side
    5,438,835,939,400x = 22,290,007,123,537,760,937,312,256
  5. Step 5: Solve for x
    x = 22,290,007,123,537,760,937,312,256/5,438,835,939,400
  6. Step 6: Final answer
    x = 4,098,304,742,392.50

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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.