Home / 876,131,488,408.56-1,209,068,553,011.40-485,504,577,127.52

Finding the Fourth Proportional to 876,131,488,408.56, 1,209,068,553,011.40 and 485,504,577,127.52

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Solution

The fourth proportional to 876,131,488,408.56, 1,209,068,553,011.40 and 485,504,577,127.52 is: 670,000,250,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,131,488,408.56 : 1,209,068,553,011.40 = 485,504,577,127.52 : x
  2. Step 2: Convert to fraction form
    876,131,488,408.56/1,209,068,553,011.40 = 485,504,577,127.52/x
  3. Step 3: Cross multiply
    876,131,488,408.56x = 1,209,068,553,011.40 × 485,504,577,127.52
  4. Step 4: Simplify right side
    876,131,488,408.56x = 587,008,316,547,982,243,659,776
  5. Step 5: Solve for x
    x = 587,008,316,547,982,243,659,776/876,131,488,408.56
  6. Step 6: Final answer
    x = 670,000,250,321.16

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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.