Home / 411,194,670.60-616,792,005.90-393,054,817.80

Finding the Fourth Proportional to 411,194,670.60, 616,792,005.90 and 393,054,817.80

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Solution

The fourth proportional to 411,194,670.60, 616,792,005.90 and 393,054,817.80 is: 589,582,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,194,670.60 : 616,792,005.90 = 393,054,817.80 : x
  2. Step 2: Convert to fraction form
    411,194,670.60/616,792,005.90 = 393,054,817.80/x
  3. Step 3: Cross multiply
    411,194,670.60x = 616,792,005.90 × 393,054,817.80
  4. Step 4: Simplify right side
    411,194,670.60x = 242,433,069,499,521,024
  5. Step 5: Solve for x
    x = 242,433,069,499,521,024/411,194,670.60
  6. Step 6: Final answer
    x = 589,582,226.70

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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.