Home / 425,163,252,896.59-637,745,493,135.51-173,624,446,968.64

Finding the Fourth Proportional to 425,163,252,896.59, 637,745,493,135.51 and 173,624,446,968.64

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Solution

The fourth proportional to 425,163,252,896.59, 637,745,493,135.51 and 173,624,446,968.64 is: 260,436,921,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,163,252,896.59 : 637,745,493,135.51 = 173,624,446,968.64 : x
  2. Step 2: Convert to fraction form
    425,163,252,896.59/637,745,493,135.51 = 173,624,446,968.64/x
  3. Step 3: Cross multiply
    425,163,252,896.59x = 637,745,493,135.51 × 173,624,446,968.64
  4. Step 4: Simplify right side
    425,163,252,896.59x = 110,728,208,552,395,534,237,696
  5. Step 5: Solve for x
    x = 110,728,208,552,395,534,237,696/425,163,252,896.59
  6. Step 6: Final answer
    x = 260,436,921,107.40

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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.