Home / 623,824,718.03-935,880,584.56-209,356,539.33

Finding the Fourth Proportional to 623,824,718.03, 935,880,584.56 and 209,356,539.33

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Solution

The fourth proportional to 623,824,718.03, 935,880,584.56 and 209,356,539.33 is: 314,082,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,824,718.03 : 935,880,584.56 = 209,356,539.33 : x
  2. Step 2: Convert to fraction form
    623,824,718.03/935,880,584.56 = 209,356,539.33/x
  3. Step 3: Cross multiply
    623,824,718.03x = 935,880,584.56 × 209,356,539.33
  4. Step 4: Simplify right side
    623,824,718.03x = 195,932,720,412,614,560
  5. Step 5: Solve for x
    x = 195,932,720,412,614,560/623,824,718.03
  6. Step 6: Final answer
    x = 314,082,970.34

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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.