Home / 1,003,048,143.10-1,504,572,214.65-538,143,556.30

Finding the Fourth Proportional to 1,003,048,143.10, 1,504,572,214.65 and 538,143,556.30

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Solution

The fourth proportional to 1,003,048,143.10, 1,504,572,214.65 and 538,143,556.30 is: 807,215,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,048,143.10 : 1,504,572,214.65 = 538,143,556.30 : x
  2. Step 2: Convert to fraction form
    1,003,048,143.10/1,504,572,214.65 = 538,143,556.30/x
  3. Step 3: Cross multiply
    1,003,048,143.10x = 1,504,572,214.65 × 538,143,556.30
  4. Step 4: Simplify right side
    1,003,048,143.10x = 809,675,842,301,917,952
  5. Step 5: Solve for x
    x = 809,675,842,301,917,952/1,003,048,143.10
  6. Step 6: Final answer
    x = 807,215,334.45

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Half scale
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Double scale
Find fourth proportional to 1,003,048,144.10, 1,504,572,216.15 and 538,143,557.30
Similar ratio
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1.5x scale

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.