Home / 559,872,078.60-839,808,117.90-405,795,304.20

Finding the Fourth Proportional to 559,872,078.60, 839,808,117.90 and 405,795,304.20

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Solution

The fourth proportional to 559,872,078.60, 839,808,117.90 and 405,795,304.20 is: 608,692,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,078.60 : 839,808,117.90 = 405,795,304.20 : x
  2. Step 2: Convert to fraction form
    559,872,078.60/839,808,117.90 = 405,795,304.20/x
  3. Step 3: Cross multiply
    559,872,078.60x = 839,808,117.90 × 405,795,304.20
  4. Step 4: Simplify right side
    559,872,078.60x = 340,790,190,672,859,968
  5. Step 5: Solve for x
    x = 340,790,190,672,859,968/559,872,078.60
  6. Step 6: Final answer
    x = 608,692,956.30

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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.