Home / 540,836,875.89-811,254,052.42-355,262,209.43

Finding the Fourth Proportional to 540,836,875.89, 811,254,052.42 and 355,262,209.43

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Solution

The fourth proportional to 540,836,875.89, 811,254,052.42 and 355,262,209.43 is: 532,892,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,836,875.89 : 811,254,052.42 = 355,262,209.43 : x
  2. Step 2: Convert to fraction form
    540,836,875.89/811,254,052.42 = 355,262,209.43/x
  3. Step 3: Cross multiply
    540,836,875.89x = 811,254,052.42 × 355,262,209.43
  4. Step 4: Simplify right side
    540,836,875.89x = 288,207,907,066,825,824
  5. Step 5: Solve for x
    x = 288,207,907,066,825,824/540,836,875.89
  6. Step 6: Final answer
    x = 532,892,485.54

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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.