Home / 354,893,753.21-531,864,784.98-276,205,275.88

Finding the Fourth Proportional to 354,893,753.21, 531,864,784.98 and 276,205,275.88

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Solution

The fourth proportional to 354,893,753.21, 531,864,784.98 and 276,205,275.88 is: 413,937,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,893,753.21 : 531,864,784.98 = 276,205,275.88 : x
  2. Step 2: Convert to fraction form
    354,893,753.21/531,864,784.98 = 276,205,275.88/x
  3. Step 3: Cross multiply
    354,893,753.21x = 531,864,784.98 × 276,205,275.88
  4. Step 4: Simplify right side
    354,893,753.21x = 146,903,859,664,928,128
  5. Step 5: Solve for x
    x = 146,903,859,664,928,128/354,893,753.21
  6. Step 6: Final answer
    x = 413,937,575.22

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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.