Home / 1,127,040,131.23-1,690,573,212.36-340,100,602.20

Finding the Fourth Proportional to 1,127,040,131.23, 1,690,573,212.36 and 340,100,602.20

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Solution

The fourth proportional to 1,127,040,131.23, 1,690,573,212.36 and 340,100,602.20 is: 510,154,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,040,131.23 : 1,690,573,212.36 = 340,100,602.20 : x
  2. Step 2: Convert to fraction form
    1,127,040,131.23/1,690,573,212.36 = 340,100,602.20/x
  3. Step 3: Cross multiply
    1,127,040,131.23x = 1,690,573,212.36 × 340,100,602.20
  4. Step 4: Simplify right side
    1,127,040,131.23x = 574,964,967,586,824,448
  5. Step 5: Solve for x
    x = 574,964,967,586,824,448/1,127,040,131.23
  6. Step 6: Final answer
    x = 510,154,830.92

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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.