Home / 25,643,311,220.40-38,464,966,830.60-10,922,820,673.20

Finding the Fourth Proportional to 25,643,311,220.40, 38,464,966,830.60 and 10,922,820,673.20

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Solution

The fourth proportional to 25,643,311,220.40, 38,464,966,830.60 and 10,922,820,673.20 is: 16,384,231,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643,311,220.40 : 38,464,966,830.60 = 10,922,820,673.20 : x
  2. Step 2: Convert to fraction form
    25,643,311,220.40/38,464,966,830.60 = 10,922,820,673.20/x
  3. Step 3: Cross multiply
    25,643,311,220.40x = 38,464,966,830.60 × 10,922,820,673.20
  4. Step 4: Simplify right side
    25,643,311,220.40x = 420,145,934,891,229,970,432
  5. Step 5: Solve for x
    x = 420,145,934,891,229,970,432/25,643,311,220.40
  6. Step 6: Final answer
    x = 16,384,231,009.80

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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.