Home / 638,793,040.24-958,266,054.33-196,077,730.54

Finding the Fourth Proportional to 638,793,040.24, 958,266,054.33 and 196,077,730.54

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Solution

The fourth proportional to 638,793,040.24, 958,266,054.33 and 196,077,730.54 is: 294,140,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,793,040.24 : 958,266,054.33 = 196,077,730.54 : x
  2. Step 2: Convert to fraction form
    638,793,040.24/958,266,054.33 = 196,077,730.54/x
  3. Step 3: Cross multiply
    638,793,040.24x = 958,266,054.33 × 196,077,730.54
  4. Step 4: Simplify right side
    638,793,040.24x = 187,894,633,186,546,752
  5. Step 5: Solve for x
    x = 187,894,633,186,546,752/638,793,040.24
  6. Step 6: Final answer
    x = 294,140,075.66

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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.