Home / 540,836,881.34-811,254,060.43-355,262,214.87

Finding the Fourth Proportional to 540,836,881.34, 811,254,060.43 and 355,262,214.87

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Solution

The fourth proportional to 540,836,881.34, 811,254,060.43 and 355,262,214.87 is: 532,892,493.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,836,881.34 : 811,254,060.43 = 355,262,214.87 : x
  2. Step 2: Convert to fraction form
    540,836,881.34/811,254,060.43 = 355,262,214.87/x
  3. Step 3: Cross multiply
    540,836,881.34x = 811,254,060.43 × 355,262,214.87
  4. Step 4: Simplify right side
    540,836,881.34x = 288,207,914,329,754,464
  5. Step 5: Solve for x
    x = 288,207,914,329,754,464/540,836,881.34
  6. Step 6: Final answer
    x = 532,892,493.61

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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.