Home / 20,980,423,874.91-28,955,938,090.22-13,357,034,606.01

Finding the Fourth Proportional to 20,980,423,874.91, 28,955,938,090.22 and 13,357,034,606.01

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Solution

The fourth proportional to 20,980,423,874.91, 28,955,938,090.22 and 13,357,034,606.01 is: 18,434,587,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,980,423,874.91 : 28,955,938,090.22 = 13,357,034,606.01 : x
  2. Step 2: Convert to fraction form
    20,980,423,874.91/28,955,938,090.22 = 13,357,034,606.01/x
  3. Step 3: Cross multiply
    20,980,423,874.91x = 28,955,938,090.22 × 13,357,034,606.01
  4. Step 4: Simplify right side
    20,980,423,874.91x = 386,765,467,120,484,876,288
  5. Step 5: Solve for x
    x = 386,765,467,120,484,876,288/20,980,423,874.91
  6. Step 6: Final answer
    x = 18,434,587,853.25

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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.