Home / 579,881,596.40-800,236,734.16-319,121,212.40

Finding the Fourth Proportional to 579,881,596.40, 800,236,734.16 and 319,121,212.40

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Solution

The fourth proportional to 579,881,596.40, 800,236,734.16 and 319,121,212.40 is: 440,387,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,881,596.40 : 800,236,734.16 = 319,121,212.40 : x
  2. Step 2: Convert to fraction form
    579,881,596.40/800,236,734.16 = 319,121,212.40/x
  3. Step 3: Cross multiply
    579,881,596.40x = 800,236,734.16 × 319,121,212.40
  4. Step 4: Simplify right side
    579,881,596.40x = 255,372,516,812,155,680
  5. Step 5: Solve for x
    x = 255,372,516,812,155,680/579,881,596.40
  6. Step 6: Final answer
    x = 440,387,345.27

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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.