Home / 1,320,191,298,005.10-1,980,286,947,007.80-1,055,712,244,181.20

Finding the Fourth Proportional to 1,320,191,298,005.10, 1,980,286,947,007.80 and 1,055,712,244,181.20

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Solution

The fourth proportional to 1,320,191,298,005.10, 1,980,286,947,007.80 and 1,055,712,244,181.20 is: 1,583,568,366,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,191,298,005.10 : 1,980,286,947,007.80 = 1,055,712,244,181.20 : x
  2. Step 2: Convert to fraction form
    1,320,191,298,005.10/1,980,286,947,007.80 = 1,055,712,244,181.20/x
  3. Step 3: Cross multiply
    1,320,191,298,005.10x = 1,980,286,947,007.80 × 1,055,712,244,181.20
  4. Step 4: Simplify right side
    1,320,191,298,005.10x = 2,090,613,176,948,341,644,197,888
  5. Step 5: Solve for x
    x = 2,090,613,176,948,341,644,197,888/1,320,191,298,005.10
  6. Step 6: Final answer
    x = 1,583,568,366,271.92

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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.