Home / 354,367,080.60-531,550,620.90-305,899,661.40

Finding the Fourth Proportional to 354,367,080.60, 531,550,620.90 and 305,899,661.40

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Solution

The fourth proportional to 354,367,080.60, 531,550,620.90 and 305,899,661.40 is: 458,849,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,367,080.60 : 531,550,620.90 = 305,899,661.40 : x
  2. Step 2: Convert to fraction form
    354,367,080.60/531,550,620.90 = 305,899,661.40/x
  3. Step 3: Cross multiply
    354,367,080.60x = 531,550,620.90 × 305,899,661.40
  4. Step 4: Simplify right side
    354,367,080.60x = 162,601,154,950,269,728
  5. Step 5: Solve for x
    x = 162,601,154,950,269,728/354,367,080.60
  6. Step 6: Final answer
    x = 458,849,492.10

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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.