Home / 1,617,965,799.31-2,232,157,483.21-939,667,279.24

Finding the Fourth Proportional to 1,617,965,799.31, 2,232,157,483.21 and 939,667,279.24

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Solution

The fourth proportional to 1,617,965,799.31, 2,232,157,483.21 and 939,667,279.24 is: 1,296,371,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,965,799.31 : 2,232,157,483.21 = 939,667,279.24 : x
  2. Step 2: Convert to fraction form
    1,617,965,799.31/2,232,157,483.21 = 939,667,279.24/x
  3. Step 3: Cross multiply
    1,617,965,799.31x = 2,232,157,483.21 × 939,667,279.24
  4. Step 4: Simplify right side
    1,617,965,799.31x = 2,097,485,349,067,287,552
  5. Step 5: Solve for x
    x = 2,097,485,349,067,287,552/1,617,965,799.31
  6. Step 6: Final answer
    x = 1,296,371,870.14

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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.