Home / 1,069,983,556.78-1,471,341,225.83-928,609,336.11

Finding the Fourth Proportional to 1,069,983,556.78, 1,471,341,225.83 and 928,609,336.11

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Solution

The fourth proportional to 1,069,983,556.78, 1,471,341,225.83 and 928,609,336.11 is: 1,276,936,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,983,556.78 : 1,471,341,225.83 = 928,609,336.11 : x
  2. Step 2: Convert to fraction form
    1,069,983,556.78/1,471,341,225.83 = 928,609,336.11/x
  3. Step 3: Cross multiply
    1,069,983,556.78x = 1,471,341,225.83 × 928,609,336.11
  4. Step 4: Simplify right side
    1,069,983,556.78x = 1,366,301,198,904,626,944
  5. Step 5: Solve for x
    x = 1,366,301,198,904,626,944/1,069,983,556.78
  6. Step 6: Final answer
    x = 1,276,936,631.64

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Double scale
Find fourth proportional to 1,069,983,557.78, 1,471,341,227.20 and 928,609,337.11
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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.