Home / 540,919,635.18-811,172,619.96-295,144,905.05

Finding the Fourth Proportional to 540,919,635.18, 811,172,619.96 and 295,144,905.05

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Solution

The fourth proportional to 540,919,635.18, 811,172,619.96 and 295,144,905.05 is: 442,604,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,919,635.18 : 811,172,619.96 = 295,144,905.05 : x
  2. Step 2: Convert to fraction form
    540,919,635.18/811,172,619.96 = 295,144,905.05/x
  3. Step 3: Cross multiply
    540,919,635.18x = 811,172,619.96 × 295,144,905.05
  4. Step 4: Simplify right side
    540,919,635.18x = 239,413,465,893,198,112
  5. Step 5: Solve for x
    x = 239,413,465,893,198,112/540,919,635.18
  6. Step 6: Final answer
    x = 442,604,502.26

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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.