Home / 330,986,038.89-456,760,712.01-191,837,513.26

Finding the Fourth Proportional to 330,986,038.89, 456,760,712.01 and 191,837,513.26

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Solution

The fourth proportional to 330,986,038.89, 456,760,712.01 and 191,837,513.26 is: 264,735,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,986,038.89 : 456,760,712.01 = 191,837,513.26 : x
  2. Step 2: Convert to fraction form
    330,986,038.89/456,760,712.01 = 191,837,513.26/x
  3. Step 3: Cross multiply
    330,986,038.89x = 456,760,712.01 × 191,837,513.26
  4. Step 4: Simplify right side
    330,986,038.89x = 87,623,839,146,865,408
  5. Step 5: Solve for x
    x = 87,623,839,146,865,408/330,986,038.89
  6. Step 6: Final answer
    x = 264,735,755.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.