Home / 1,085,522,607.05-1,624,174,948.91-643,102,809.17

Finding the Fourth Proportional to 1,085,522,607.05, 1,624,174,948.91 and 643,102,809.17

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Solution

The fourth proportional to 1,085,522,607.05, 1,624,174,948.91 and 643,102,809.17 is: 962,219,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,522,607.05 : 1,624,174,948.91 = 643,102,809.17 : x
  2. Step 2: Convert to fraction form
    1,085,522,607.05/1,624,174,948.91 = 643,102,809.17/x
  3. Step 3: Cross multiply
    1,085,522,607.05x = 1,624,174,948.91 × 643,102,809.17
  4. Step 4: Simplify right side
    1,085,522,607.05x = 1,044,511,472,216,225,792
  5. Step 5: Solve for x
    x = 1,044,511,472,216,225,792/1,085,522,607.05
  6. Step 6: Final answer
    x = 962,219,916.41

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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.