Home / 526,315,567.58-726,286,708.62-288,114,671.78

Finding the Fourth Proportional to 526,315,567.58, 726,286,708.62 and 288,114,671.78

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Solution

The fourth proportional to 526,315,567.58, 726,286,708.62 and 288,114,671.78 is: 397,582,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,315,567.58 : 726,286,708.62 = 288,114,671.78 : x
  2. Step 2: Convert to fraction form
    526,315,567.58/726,286,708.62 = 288,114,671.78/x
  3. Step 3: Cross multiply
    526,315,567.58x = 726,286,708.62 × 288,114,671.78
  4. Step 4: Simplify right side
    526,315,567.58x = 209,253,856,668,596,352
  5. Step 5: Solve for x
    x = 209,253,856,668,596,352/526,315,567.58
  6. Step 6: Final answer
    x = 397,582,495.29

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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.