Home / 74,683,774,843.38-103,063,917,674.91-40,389,480,657.90

Finding the Fourth Proportional to 74,683,774,843.38, 103,063,917,674.91 and 40,389,480,657.90

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Solution

The fourth proportional to 74,683,774,843.38, 103,063,917,674.91 and 40,389,480,657.90 is: 55,737,650,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,683,774,843.38 : 103,063,917,674.91 = 40,389,480,657.90 : x
  2. Step 2: Convert to fraction form
    74,683,774,843.38/103,063,917,674.91 = 40,389,480,657.90/x
  3. Step 3: Cross multiply
    74,683,774,843.38x = 103,063,917,674.91 × 40,389,480,657.90
  4. Step 4: Simplify right side
    74,683,774,843.38x = 4,162,698,109,458,175,754,240
  5. Step 5: Solve for x
    x = 4,162,698,109,458,175,754,240/74,683,774,843.38
  6. Step 6: Final answer
    x = 55,737,650,087.82

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1.5x scale

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.