Home / 579,028,071.42-799,066,830.60-314,709,985.26

Finding the Fourth Proportional to 579,028,071.42, 799,066,830.60 and 314,709,985.26

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Solution

The fourth proportional to 579,028,071.42, 799,066,830.60 and 314,709,985.26 is: 434,304,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,028,071.42 : 799,066,830.60 = 314,709,985.26 : x
  2. Step 2: Convert to fraction form
    579,028,071.42/799,066,830.60 = 314,709,985.26/x
  3. Step 3: Cross multiply
    579,028,071.42x = 799,066,830.60 × 314,709,985.26
  4. Step 4: Simplify right side
    579,028,071.42x = 251,474,310,479,880,928
  5. Step 5: Solve for x
    x = 251,474,310,479,880,928/579,028,071.42
  6. Step 6: Final answer
    x = 434,304,177.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.