Home / 839,340,003.60-1,259,010,005.40-533,229,987.60

Finding the Fourth Proportional to 839,340,003.60, 1,259,010,005.40 and 533,229,987.60

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Solution

The fourth proportional to 839,340,003.60, 1,259,010,005.40 and 533,229,987.60 is: 799,844,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,340,003.60 : 1,259,010,005.40 = 533,229,987.60 : x
  2. Step 2: Convert to fraction form
    839,340,003.60/1,259,010,005.40 = 533,229,987.60/x
  3. Step 3: Cross multiply
    839,340,003.60x = 1,259,010,005.40 × 533,229,987.60
  4. Step 4: Simplify right side
    839,340,003.60x = 671,341,889,567,718,016
  5. Step 5: Solve for x
    x = 671,341,889,567,718,016/839,340,003.60
  6. Step 6: Final answer
    x = 799,844,981.40

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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.