Home / 606,632,118,955.12-836,749,134,936.94-390,132,187,045.57

Finding the Fourth Proportional to 606,632,118,955.12, 836,749,134,936.94 and 390,132,187,045.57

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Solution

The fourth proportional to 606,632,118,955.12, 836,749,134,936.94 and 390,132,187,045.57 is: 538,123,122,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,632,118,955.12 : 836,749,134,936.94 = 390,132,187,045.57 : x
  2. Step 2: Convert to fraction form
    606,632,118,955.12/836,749,134,936.94 = 390,132,187,045.57/x
  3. Step 3: Cross multiply
    606,632,118,955.12x = 836,749,134,936.94 × 390,132,187,045.57
  4. Step 4: Simplify right side
    606,632,118,955.12x = 326,442,770,021,437,130,407,936
  5. Step 5: Solve for x
    x = 326,442,770,021,437,130,407,936/606,632,118,955.12
  6. Step 6: Final answer
    x = 538,123,122,434.91

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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.