Home / 435,492,043.20-653,238,064.80-290,373,220.80

Finding the Fourth Proportional to 435,492,043.20, 653,238,064.80 and 290,373,220.80

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Solution

The fourth proportional to 435,492,043.20, 653,238,064.80 and 290,373,220.80 is: 435,559,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,492,043.20 : 653,238,064.80 = 290,373,220.80 : x
  2. Step 2: Convert to fraction form
    435,492,043.20/653,238,064.80 = 290,373,220.80/x
  3. Step 3: Cross multiply
    435,492,043.20x = 653,238,064.80 × 290,373,220.80
  4. Step 4: Simplify right side
    435,492,043.20x = 189,682,840,825,135,104
  5. Step 5: Solve for x
    x = 189,682,840,825,135,104/435,492,043.20
  6. Step 6: Final answer
    x = 435,559,831.20

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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.