Home / 3,578,077,079.76-5,360,133,358.44-2,787,428,659.08

Finding the Fourth Proportional to 3,578,077,079.76, 5,360,133,358.44 and 2,787,428,659.08

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Solution

The fourth proportional to 3,578,077,079.76, 5,360,133,358.44 and 2,787,428,659.08 is: 4,175,703,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,077,079.76 : 5,360,133,358.44 = 2,787,428,659.08 : x
  2. Step 2: Convert to fraction form
    3,578,077,079.76/5,360,133,358.44 = 2,787,428,659.08/x
  3. Step 3: Cross multiply
    3,578,077,079.76x = 5,360,133,358.44 × 2,787,428,659.08
  4. Step 4: Simplify right side
    3,578,077,079.76x = 14,940,989,339,806,384,128
  5. Step 5: Solve for x
    x = 14,940,989,339,806,384,128/3,578,077,079.76
  6. Step 6: Final answer
    x = 4,175,703,599.10

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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.