Home / 848,514,561.45-1,171,052,031.81-513,977,268.12

Finding the Fourth Proportional to 848,514,561.45, 1,171,052,031.81 and 513,977,268.12

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Solution

The fourth proportional to 848,514,561.45, 1,171,052,031.81 and 513,977,268.12 is: 709,350,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,514,561.45 : 1,171,052,031.81 = 513,977,268.12 : x
  2. Step 2: Convert to fraction form
    848,514,561.45/1,171,052,031.81 = 513,977,268.12/x
  3. Step 3: Cross multiply
    848,514,561.45x = 1,171,052,031.81 × 513,977,268.12
  4. Step 4: Simplify right side
    848,514,561.45x = 601,894,124,136,079,104
  5. Step 5: Solve for x
    x = 601,894,124,136,079,104/848,514,561.45
  6. Step 6: Final answer
    x = 709,350,377.10

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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.