Home / 459,323,674.90-688,985,512.35-419,146,735.30

Finding the Fourth Proportional to 459,323,674.90, 688,985,512.35 and 419,146,735.30

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Solution

The fourth proportional to 459,323,674.90, 688,985,512.35 and 419,146,735.30 is: 628,720,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,323,674.90 : 688,985,512.35 = 419,146,735.30 : x
  2. Step 2: Convert to fraction form
    459,323,674.90/688,985,512.35 = 419,146,735.30/x
  3. Step 3: Cross multiply
    459,323,674.90x = 688,985,512.35 × 419,146,735.30
  4. Step 4: Simplify right side
    459,323,674.90x = 288,786,028,170,500,352
  5. Step 5: Solve for x
    x = 288,786,028,170,500,352/459,323,674.90
  6. Step 6: Final answer
    x = 628,720,102.95

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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.