Home / 7,278,576,276.80-10,917,864,415.20-2,621,169,070.40

Finding the Fourth Proportional to 7,278,576,276.80, 10,917,864,415.20 and 2,621,169,070.40

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Solution

The fourth proportional to 7,278,576,276.80, 10,917,864,415.20 and 2,621,169,070.40 is: 3,931,753,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,576,276.80 : 10,917,864,415.20 = 2,621,169,070.40 : x
  2. Step 2: Convert to fraction form
    7,278,576,276.80/10,917,864,415.20 = 2,621,169,070.40/x
  3. Step 3: Cross multiply
    7,278,576,276.80x = 10,917,864,415.20 × 2,621,169,070.40
  4. Step 4: Simplify right side
    7,278,576,276.80x = 28,617,568,519,943,024,640
  5. Step 5: Solve for x
    x = 28,617,568,519,943,024,640/7,278,576,276.80
  6. Step 6: Final answer
    x = 3,931,753,605.60

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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.