Home / 13,901,422,401.60-20,852,133,602.40-6,439,990,761.60

Finding the Fourth Proportional to 13,901,422,401.60, 20,852,133,602.40 and 6,439,990,761.60

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Solution

The fourth proportional to 13,901,422,401.60, 20,852,133,602.40 and 6,439,990,761.60 is: 9,659,986,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901,422,401.60 : 20,852,133,602.40 = 6,439,990,761.60 : x
  2. Step 2: Convert to fraction form
    13,901,422,401.60/20,852,133,602.40 = 6,439,990,761.60/x
  3. Step 3: Cross multiply
    13,901,422,401.60x = 20,852,133,602.40 × 6,439,990,761.60
  4. Step 4: Simplify right side
    13,901,422,401.60x = 134,287,547,759,104,950,272
  5. Step 5: Solve for x
    x = 134,287,547,759,104,950,272/13,901,422,401.60
  6. Step 6: Final answer
    x = 9,659,986,142.40

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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.