Home / 383,761,954.31-529,591,497.23-207,549,948.71

Finding the Fourth Proportional to 383,761,954.31, 529,591,497.23 and 207,549,948.71

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Solution

The fourth proportional to 383,761,954.31, 529,591,497.23 and 207,549,948.71 is: 286,418,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,761,954.31 : 529,591,497.23 = 207,549,948.71 : x
  2. Step 2: Convert to fraction form
    383,761,954.31/529,591,497.23 = 207,549,948.71/x
  3. Step 3: Cross multiply
    383,761,954.31x = 529,591,497.23 × 207,549,948.71
  4. Step 4: Simplify right side
    383,761,954.31x = 109,916,688,089,181,472
  5. Step 5: Solve for x
    x = 109,916,688,089,181,472/383,761,954.31
  6. Step 6: Final answer
    x = 286,418,929.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.