Home / 2,213,779,696.62-3,055,022,138.67-1,210,209,390.78

Finding the Fourth Proportional to 2,213,779,696.62, 3,055,022,138.67 and 1,210,209,390.78

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Solution

The fourth proportional to 2,213,779,696.62, 3,055,022,138.67 and 1,210,209,390.78 is: 1,670,092,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,779,696.62 : 3,055,022,138.67 = 1,210,209,390.78 : x
  2. Step 2: Convert to fraction form
    2,213,779,696.62/3,055,022,138.67 = 1,210,209,390.78/x
  3. Step 3: Cross multiply
    2,213,779,696.62x = 3,055,022,138.67 × 1,210,209,390.78
  4. Step 4: Simplify right side
    2,213,779,696.62x = 3,697,216,481,259,233,280
  5. Step 5: Solve for x
    x = 3,697,216,481,259,233,280/2,213,779,696.62
  6. Step 6: Final answer
    x = 1,670,092,325.31

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1.5x scale

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.