Home / 540,836,876.89-811,254,053.92-355,262,210.43

Finding the Fourth Proportional to 540,836,876.89, 811,254,053.92 and 355,262,210.43

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Solution

The fourth proportional to 540,836,876.89, 811,254,053.92 and 355,262,210.43 is: 532,892,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,836,876.89 : 811,254,053.92 = 355,262,210.43 : x
  2. Step 2: Convert to fraction form
    540,836,876.89/811,254,053.92 = 355,262,210.43/x
  3. Step 3: Cross multiply
    540,836,876.89x = 811,254,053.92 × 355,262,210.43
  4. Step 4: Simplify right side
    540,836,876.89x = 288,207,908,415,917,600
  5. Step 5: Solve for x
    x = 288,207,908,415,917,600/540,836,876.89
  6. Step 6: Final answer
    x = 532,892,487.05

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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.