Home / 510,535,221.44-766,025,579.98-178,780,342.40

Finding the Fourth Proportional to 510,535,221.44, 766,025,579.98 and 178,780,342.40

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Solution

The fourth proportional to 510,535,221.44, 766,025,579.98 and 178,780,342.40 is: 268,248,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,535,221.44 : 766,025,579.98 = 178,780,342.40 : x
  2. Step 2: Convert to fraction form
    510,535,221.44/766,025,579.98 = 178,780,342.40/x
  3. Step 3: Cross multiply
    510,535,221.44x = 766,025,579.98 × 178,780,342.40
  4. Step 4: Simplify right side
    510,535,221.44x = 136,950,315,472,084,000
  5. Step 5: Solve for x
    x = 136,950,315,472,084,000/510,535,221.44
  6. Step 6: Final answer
    x = 268,248,515.91

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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.