Home / 21,433,952,563.11-29,582,556,853.55-12,406,688,039.61

Finding the Fourth Proportional to 21,433,952,563.11, 29,582,556,853.55 and 12,406,688,039.61

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Solution

The fourth proportional to 21,433,952,563.11, 29,582,556,853.55 and 12,406,688,039.61 is: 17,123,372,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433,952,563.11 : 29,582,556,853.55 = 12,406,688,039.61 : x
  2. Step 2: Convert to fraction form
    21,433,952,563.11/29,582,556,853.55 = 12,406,688,039.61/x
  3. Step 3: Cross multiply
    21,433,952,563.11x = 29,582,556,853.55 × 12,406,688,039.61
  4. Step 4: Simplify right side
    21,433,952,563.11x = 367,021,554,295,959,584,768
  5. Step 5: Solve for x
    x = 367,021,554,295,959,584,768/21,433,952,563.11
  6. Step 6: Final answer
    x = 17,123,372,519.15

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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.