Home / 28,176,258,722.68-38,883,262,092.44-15,315,898,682.07

Finding the Fourth Proportional to 28,176,258,722.68, 38,883,262,092.44 and 15,315,898,682.07

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Solution

The fourth proportional to 28,176,258,722.68, 38,883,262,092.44 and 15,315,898,682.07 is: 21,135,953,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176,258,722.68 : 38,883,262,092.44 = 15,315,898,682.07 : x
  2. Step 2: Convert to fraction form
    28,176,258,722.68/38,883,262,092.44 = 15,315,898,682.07/x
  3. Step 3: Cross multiply
    28,176,258,722.68x = 38,883,262,092.44 × 15,315,898,682.07
  4. Step 4: Simplify right side
    28,176,258,722.68x = 595,532,102,636,270,256,128
  5. Step 5: Solve for x
    x = 595,532,102,636,270,256,128/28,176,258,722.68
  6. Step 6: Final answer
    x = 21,135,953,800.60

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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.