Home / 504,420,783.42-756,663,140.97-213,233,637.18

Finding the Fourth Proportional to 504,420,783.42, 756,663,140.97 and 213,233,637.18

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Solution

The fourth proportional to 504,420,783.42, 756,663,140.97 and 213,233,637.18 is: 319,863,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,420,783.42 : 756,663,140.97 = 213,233,637.18 : x
  2. Step 2: Convert to fraction form
    504,420,783.42/756,663,140.97 = 213,233,637.18/x
  3. Step 3: Cross multiply
    504,420,783.42x = 756,663,140.97 × 213,233,637.18
  4. Step 4: Simplify right side
    504,420,783.42x = 161,346,033,669,076,192
  5. Step 5: Solve for x
    x = 161,346,033,669,076,192/504,420,783.42
  6. Step 6: Final answer
    x = 319,863,968.68

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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.