Home / 331,808,327.60-497,712,491.40-299,559,700.40

Finding the Fourth Proportional to 331,808,327.60, 497,712,491.40 and 299,559,700.40

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Solution

The fourth proportional to 331,808,327.60, 497,712,491.40 and 299,559,700.40 is: 449,339,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,808,327.60 : 497,712,491.40 = 299,559,700.40 : x
  2. Step 2: Convert to fraction form
    331,808,327.60/497,712,491.40 = 299,559,700.40/x
  3. Step 3: Cross multiply
    331,808,327.60x = 497,712,491.40 × 299,559,700.40
  4. Step 4: Simplify right side
    331,808,327.60x = 149,094,604,809,121,568
  5. Step 5: Solve for x
    x = 149,094,604,809,121,568/331,808,327.60
  6. Step 6: Final answer
    x = 449,339,550.60

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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.