Home / 531,878,929.38-798,129,288-384,180,846.66

Finding the Fourth Proportional to 531,878,929.38, 798,129,288 and 384,180,846.66

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Solution

The fourth proportional to 531,878,929.38, 798,129,288 and 384,180,846.66 is: 576,495,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,878,929.38 : 798,129,288 = 384,180,846.66 : x
  2. Step 2: Convert to fraction form
    531,878,929.38/798,129,288 = 384,180,846.66/x
  3. Step 3: Cross multiply
    531,878,929.38x = 798,129,288 × 384,180,846.66
  4. Step 4: Simplify right side
    531,878,929.38x = 306,625,985,607,982,976
  5. Step 5: Solve for x
    x = 306,625,985,607,982,976/531,878,929.38
  6. Step 6: Final answer
    x = 576,495,831.42

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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.