Home / 926,434,758.30-1,389,652,137.45-313,010,126.70

Finding the Fourth Proportional to 926,434,758.30, 1,389,652,137.45 and 313,010,126.70

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Solution

The fourth proportional to 926,434,758.30, 1,389,652,137.45 and 313,010,126.70 is: 469,515,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,434,758.30 : 1,389,652,137.45 = 313,010,126.70 : x
  2. Step 2: Convert to fraction form
    926,434,758.30/1,389,652,137.45 = 313,010,126.70/x
  3. Step 3: Cross multiply
    926,434,758.30x = 1,389,652,137.45 × 313,010,126.70
  4. Step 4: Simplify right side
    926,434,758.30x = 434,975,191,612,150,336
  5. Step 5: Solve for x
    x = 434,975,191,612,150,336/926,434,758.30
  6. Step 6: Final answer
    x = 469,515,190.05

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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.