Home / 490,867,500,784.48-677,864,989,788.24-464,125,346,974.24

Finding the Fourth Proportional to 490,867,500,784.48, 677,864,989,788.24 and 464,125,346,974.24

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Solution

The fourth proportional to 490,867,500,784.48, 677,864,989,788.24 and 464,125,346,974.24 is: 640,935,329,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,867,500,784.48 : 677,864,989,788.24 = 464,125,346,974.24 : x
  2. Step 2: Convert to fraction form
    490,867,500,784.48/677,864,989,788.24 = 464,125,346,974.24/x
  3. Step 3: Cross multiply
    490,867,500,784.48x = 677,864,989,788.24 × 464,125,346,974.24
  4. Step 4: Simplify right side
    490,867,500,784.48x = 314,614,323,587,156,514,177,024
  5. Step 5: Solve for x
    x = 314,614,323,587,156,514,177,024/490,867,500,784.48
  6. Step 6: Final answer
    x = 640,935,329,970.63

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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.