Home / 598,911,281.20-898,366,921.80-423,559,370.80

Finding the Fourth Proportional to 598,911,281.20, 898,366,921.80 and 423,559,370.80

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Solution

The fourth proportional to 598,911,281.20, 898,366,921.80 and 423,559,370.80 is: 635,339,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,911,281.20 : 898,366,921.80 = 423,559,370.80 : x
  2. Step 2: Convert to fraction form
    598,911,281.20/898,366,921.80 = 423,559,370.80/x
  3. Step 3: Cross multiply
    598,911,281.20x = 898,366,921.80 × 423,559,370.80
  4. Step 4: Simplify right side
    598,911,281.20x = 380,511,728,145,140,800
  5. Step 5: Solve for x
    x = 380,511,728,145,140,800/598,911,281.20
  6. Step 6: Final answer
    x = 635,339,056.20

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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.