Home / 2,213,779,697.62-3,055,022,140.05-1,210,209,391.78

Finding the Fourth Proportional to 2,213,779,697.62, 3,055,022,140.05 and 1,210,209,391.78

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Solution

The fourth proportional to 2,213,779,697.62, 3,055,022,140.05 and 1,210,209,391.78 is: 1,670,092,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,779,697.62 : 3,055,022,140.05 = 1,210,209,391.78 : x
  2. Step 2: Convert to fraction form
    2,213,779,697.62/3,055,022,140.05 = 1,210,209,391.78/x
  3. Step 3: Cross multiply
    2,213,779,697.62x = 3,055,022,140.05 × 1,210,209,391.78
  4. Step 4: Simplify right side
    2,213,779,697.62x = 3,697,216,485,984,344,576
  5. Step 5: Solve for x
    x = 3,697,216,485,984,344,576/2,213,779,697.62
  6. Step 6: Final answer
    x = 1,670,092,326.69

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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.