Home / 776,143,337.20-1,164,215,005.80-623,088,329.20

Finding the Fourth Proportional to 776,143,337.20, 1,164,215,005.80 and 623,088,329.20

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Solution

The fourth proportional to 776,143,337.20, 1,164,215,005.80 and 623,088,329.20 is: 934,632,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,143,337.20 : 1,164,215,005.80 = 623,088,329.20 : x
  2. Step 2: Convert to fraction form
    776,143,337.20/1,164,215,005.80 = 623,088,329.20/x
  3. Step 3: Cross multiply
    776,143,337.20x = 1,164,215,005.80 × 623,088,329.20
  4. Step 4: Simplify right side
    776,143,337.20x = 725,408,782,793,490,304
  5. Step 5: Solve for x
    x = 725,408,782,793,490,304/776,143,337.20
  6. Step 6: Final answer
    x = 934,632,493.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.