Home / 1,514,315,949.49-2,275,468,699.85-815,324,888.22

Finding the Fourth Proportional to 1,514,315,949.49, 2,275,468,699.85 and 815,324,888.22

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Solution

The fourth proportional to 1,514,315,949.49, 2,275,468,699.85 and 815,324,888.22 is: 1,225,138,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,315,949.49 : 2,275,468,699.85 = 815,324,888.22 : x
  2. Step 2: Convert to fraction form
    1,514,315,949.49/2,275,468,699.85 = 815,324,888.22/x
  3. Step 3: Cross multiply
    1,514,315,949.49x = 2,275,468,699.85 × 815,324,888.22
  4. Step 4: Simplify right side
    1,514,315,949.49x = 1,855,246,263,343,971,072
  5. Step 5: Solve for x
    x = 1,855,246,263,343,971,072/1,514,315,949.49
  6. Step 6: Final answer
    x = 1,225,138,164.84

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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.