Home / 1,003,621,468.10-1,384,916,427.06-580,262,291.79

Finding the Fourth Proportional to 1,003,621,468.10, 1,384,916,427.06 and 580,262,291.79

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Solution

The fourth proportional to 1,003,621,468.10, 1,384,916,427.06 and 580,262,291.79 is: 800,715,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,621,468.10 : 1,384,916,427.06 = 580,262,291.79 : x
  2. Step 2: Convert to fraction form
    1,003,621,468.10/1,384,916,427.06 = 580,262,291.79/x
  3. Step 3: Cross multiply
    1,003,621,468.10x = 1,384,916,427.06 × 580,262,291.79
  4. Step 4: Simplify right side
    1,003,621,468.10x = 803,614,779,903,453,824
  5. Step 5: Solve for x
    x = 803,614,779,903,453,824/1,003,621,468.10
  6. Step 6: Final answer
    x = 800,715,016.02

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Double scale
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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.