Home / 27,958,488,916.80-38,582,485,413.60-15,271,232,673.60

Finding the Fourth Proportional to 27,958,488,916.80, 38,582,485,413.60 and 15,271,232,673.60

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Solution

The fourth proportional to 27,958,488,916.80, 38,582,485,413.60 and 15,271,232,673.60 is: 21,074,175,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958,488,916.80 : 38,582,485,413.60 = 15,271,232,673.60 : x
  2. Step 2: Convert to fraction form
    27,958,488,916.80/38,582,485,413.60 = 15,271,232,673.60/x
  3. Step 3: Cross multiply
    27,958,488,916.80x = 38,582,485,413.60 × 15,271,232,673.60
  4. Step 4: Simplify right side
    27,958,488,916.80x = 589,202,111,876,863,688,704
  5. Step 5: Solve for x
    x = 589,202,111,876,863,688,704/27,958,488,916.80
  6. Step 6: Final answer
    x = 21,074,175,848.00

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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.