Home / 490,867,500,778.48-677,864,989,779.96-464,125,346,968.24

Finding the Fourth Proportional to 490,867,500,778.48, 677,864,989,779.96 and 464,125,346,968.24

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Solution

The fourth proportional to 490,867,500,778.48, 677,864,989,779.96 and 464,125,346,968.24 is: 640,935,329,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,867,500,778.48 : 677,864,989,779.96 = 464,125,346,968.24 : x
  2. Step 2: Convert to fraction form
    490,867,500,778.48/677,864,989,779.96 = 464,125,346,968.24/x
  3. Step 3: Cross multiply
    490,867,500,778.48x = 677,864,989,779.96 × 464,125,346,968.24
  4. Step 4: Simplify right side
    490,867,500,778.48x = 314,614,323,579,246,392,377,344
  5. Step 5: Solve for x
    x = 314,614,323,579,246,392,377,344/490,867,500,778.48
  6. Step 6: Final answer
    x = 640,935,329,962.34

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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.