Home / 852,790,561.20-1,279,185,841.80-773,712,140.40

Finding the Fourth Proportional to 852,790,561.20, 1,279,185,841.80 and 773,712,140.40

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Solution

The fourth proportional to 852,790,561.20, 1,279,185,841.80 and 773,712,140.40 is: 1,160,568,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,790,561.20 : 1,279,185,841.80 = 773,712,140.40 : x
  2. Step 2: Convert to fraction form
    852,790,561.20/1,279,185,841.80 = 773,712,140.40/x
  3. Step 3: Cross multiply
    852,790,561.20x = 1,279,185,841.80 × 773,712,140.40
  4. Step 4: Simplify right side
    852,790,561.20x = 989,721,615,628,453,760
  5. Step 5: Solve for x
    x = 989,721,615,628,453,760/852,790,561.20
  6. Step 6: Final answer
    x = 1,160,568,210.60

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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.