Home / 2,112,566,661.20-3,168,834,245.40-638,703,621.20

Finding the Fourth Proportional to 2,112,566,661.20, 3,168,834,245.40 and 638,703,621.20

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Solution

The fourth proportional to 2,112,566,661.20, 3,168,834,245.40 and 638,703,621.20 is: 958,050,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,566,661.20 : 3,168,834,245.40 = 638,703,621.20 : x
  2. Step 2: Convert to fraction form
    2,112,566,661.20/3,168,834,245.40 = 638,703,621.20/x
  3. Step 3: Cross multiply
    2,112,566,661.20x = 3,168,834,245.40 × 638,703,621.20
  4. Step 4: Simplify right side
    2,112,566,661.20x = 2,023,945,907,519,549,696
  5. Step 5: Solve for x
    x = 2,023,945,907,519,549,696/2,112,566,661.20
  6. Step 6: Final answer
    x = 958,050,671.11

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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.