Home / 487,465,537,925.90-731,077,476,812.75-164,761,177,198.46

Finding the Fourth Proportional to 487,465,537,925.90, 731,077,476,812.75 and 164,761,177,198.46

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Solution

The fourth proportional to 487,465,537,925.90, 731,077,476,812.75 and 164,761,177,198.46 is: 247,100,925,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,465,537,925.90 : 731,077,476,812.75 = 164,761,177,198.46 : x
  2. Step 2: Convert to fraction form
    487,465,537,925.90/731,077,476,812.75 = 164,761,177,198.46/x
  3. Step 3: Cross multiply
    487,465,537,925.90x = 731,077,476,812.75 × 164,761,177,198.46
  4. Step 4: Simplify right side
    487,465,537,925.90x = 120,453,185,702,948,532,912,128
  5. Step 5: Solve for x
    x = 120,453,185,702,948,532,912,128/487,465,537,925.90
  6. Step 6: Final answer
    x = 247,100,925,771.00

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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.