Home / 1,320,392,242.80-1,980,588,364.20-708,172,210.80

Finding the Fourth Proportional to 1,320,392,242.80, 1,980,588,364.20 and 708,172,210.80

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Solution

The fourth proportional to 1,320,392,242.80, 1,980,588,364.20 and 708,172,210.80 is: 1,062,258,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,392,242.80 : 1,980,588,364.20 = 708,172,210.80 : x
  2. Step 2: Convert to fraction form
    1,320,392,242.80/1,980,588,364.20 = 708,172,210.80/x
  3. Step 3: Cross multiply
    1,320,392,242.80x = 1,980,588,364.20 × 708,172,210.80
  4. Step 4: Simplify right side
    1,320,392,242.80x = 1,402,597,640,560,269,568
  5. Step 5: Solve for x
    x = 1,402,597,640,560,269,568/1,320,392,242.80
  6. Step 6: Final answer
    x = 1,062,258,316.20

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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.