Home / 25,509,208,822.40-38,263,813,233.60-19,310,480,998.40

Finding the Fourth Proportional to 25,509,208,822.40, 38,263,813,233.60 and 19,310,480,998.40

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Solution

The fourth proportional to 25,509,208,822.40, 38,263,813,233.60 and 19,310,480,998.40 is: 28,965,721,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509,208,822.40 : 38,263,813,233.60 = 19,310,480,998.40 : x
  2. Step 2: Convert to fraction form
    25,509,208,822.40/38,263,813,233.60 = 19,310,480,998.40/x
  3. Step 3: Cross multiply
    25,509,208,822.40x = 38,263,813,233.60 × 19,310,480,998.40
  4. Step 4: Simplify right side
    25,509,208,822.40x = 738,892,638,373,759,287,296
  5. Step 5: Solve for x
    x = 738,892,638,373,759,287,296/25,509,208,822.40
  6. Step 6: Final answer
    x = 28,965,721,497.60

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Double scale
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Similar ratio
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1.5x scale

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.