Home / 425,823,400.40-637,839,305.40-354,159,784.40

Finding the Fourth Proportional to 425,823,400.40, 637,839,305.40 and 354,159,784.40

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Solution

The fourth proportional to 425,823,400.40, 637,839,305.40 and 354,159,784.40 is: 530,494,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,823,400.40 : 637,839,305.40 = 354,159,784.40 : x
  2. Step 2: Convert to fraction form
    425,823,400.40/637,839,305.40 = 354,159,784.40/x
  3. Step 3: Cross multiply
    425,823,400.40x = 637,839,305.40 × 354,159,784.40
  4. Step 4: Simplify right side
    425,823,400.40x = 225,897,030,882,309,728
  5. Step 5: Solve for x
    x = 225,897,030,882,309,728/425,823,400.40
  6. Step 6: Final answer
    x = 530,494,638.55

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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.