Home / 510,535,222.45-766,025,581.48-178,780,343.40

Finding the Fourth Proportional to 510,535,222.45, 766,025,581.48 and 178,780,343.40

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Solution

The fourth proportional to 510,535,222.45, 766,025,581.48 and 178,780,343.40 is: 268,248,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,535,222.45 : 766,025,581.48 = 178,780,343.40 : x
  2. Step 2: Convert to fraction form
    510,535,222.45/766,025,581.48 = 178,780,343.40/x
  3. Step 3: Cross multiply
    510,535,222.45x = 766,025,581.48 × 178,780,343.40
  4. Step 4: Simplify right side
    510,535,222.45x = 136,950,316,509,285,184
  5. Step 5: Solve for x
    x = 136,950,316,509,285,184/510,535,222.45
  6. Step 6: Final answer
    x = 268,248,517.41

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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.