Home / 28,460,383,816.68-39,275,333,389.86-15,773,938,524.36

Finding the Fourth Proportional to 28,460,383,816.68, 39,275,333,389.86 and 15,773,938,524.36

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Solution

The fourth proportional to 28,460,383,816.68, 39,275,333,389.86 and 15,773,938,524.36 is: 21,768,037,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460,383,816.68 : 39,275,333,389.86 = 15,773,938,524.36 : x
  2. Step 2: Convert to fraction form
    28,460,383,816.68/39,275,333,389.86 = 15,773,938,524.36/x
  3. Step 3: Cross multiply
    28,460,383,816.68x = 39,275,333,389.86 × 15,773,938,524.36
  4. Step 4: Simplify right side
    28,460,383,816.68x = 619,526,694,415,395,323,904
  5. Step 5: Solve for x
    x = 619,526,694,415,395,323,904/28,460,383,816.68
  6. Step 6: Final answer
    x = 21,768,037,226.97

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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.