Home / 623,824,722.80-935,880,591.72-209,356,544.10

Finding the Fourth Proportional to 623,824,722.80, 935,880,591.72 and 209,356,544.10

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Solution

The fourth proportional to 623,824,722.80, 935,880,591.72 and 209,356,544.10 is: 314,082,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,824,722.80 : 935,880,591.72 = 209,356,544.10 : x
  2. Step 2: Convert to fraction form
    623,824,722.80/935,880,591.72 = 209,356,544.10/x
  3. Step 3: Cross multiply
    623,824,722.80x = 935,880,591.72 × 209,356,544.10
  4. Step 4: Simplify right side
    623,824,722.80x = 195,932,726,372,762,272
  5. Step 5: Solve for x
    x = 195,932,726,372,762,272/623,824,722.80
  6. Step 6: Final answer
    x = 314,082,977.50

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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.