Home / 1,181,495,500.25-1,630,556,734.51-672,879,719.33

Finding the Fourth Proportional to 1,181,495,500.25, 1,630,556,734.51 and 672,879,719.33

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Solution

The fourth proportional to 1,181,495,500.25, 1,630,556,734.51 and 672,879,719.33 is: 928,626,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,495,500.25 : 1,630,556,734.51 = 672,879,719.33 : x
  2. Step 2: Convert to fraction form
    1,181,495,500.25/1,630,556,734.51 = 672,879,719.33/x
  3. Step 3: Cross multiply
    1,181,495,500.25x = 1,630,556,734.51 × 672,879,719.33
  4. Step 4: Simplify right side
    1,181,495,500.25x = 1,097,168,557,863,798,656
  5. Step 5: Solve for x
    x = 1,097,168,557,863,798,656/1,181,495,500.25
  6. Step 6: Final answer
    x = 928,626,945.79

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Double scale
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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.