Home / 507,752,207.25-700,401,177.77-319,282,217.07

Finding the Fourth Proportional to 507,752,207.25, 700,401,177.77 and 319,282,217.07

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Solution

The fourth proportional to 507,752,207.25, 700,401,177.77 and 319,282,217.07 is: 440,422,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,752,207.25 : 700,401,177.77 = 319,282,217.07 : x
  2. Step 2: Convert to fraction form
    507,752,207.25/700,401,177.77 = 319,282,217.07/x
  3. Step 3: Cross multiply
    507,752,207.25x = 700,401,177.77 × 319,282,217.07
  4. Step 4: Simplify right side
    507,752,207.25x = 223,625,640,875,248,384
  5. Step 5: Solve for x
    x = 223,625,640,875,248,384/507,752,207.25
  6. Step 6: Final answer
    x = 440,422,784.35

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1.5x scale

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.