Home / 653,194,864.80-979,792,297.20-554,559,415.20

Finding the Fourth Proportional to 653,194,864.80, 979,792,297.20 and 554,559,415.20

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Solution

The fourth proportional to 653,194,864.80, 979,792,297.20 and 554,559,415.20 is: 831,839,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,194,864.80 : 979,792,297.20 = 554,559,415.20 : x
  2. Step 2: Convert to fraction form
    653,194,864.80/979,792,297.20 = 554,559,415.20/x
  3. Step 3: Cross multiply
    653,194,864.80x = 979,792,297.20 × 554,559,415.20
  4. Step 4: Simplify right side
    653,194,864.80x = 543,353,043,352,696,640
  5. Step 5: Solve for x
    x = 543,353,043,352,696,640/653,194,864.80
  6. Step 6: Final answer
    x = 831,839,122.80

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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.