Home / 5,402,005,898.32-7,454,608,029.12-2,990,795,853.88

Finding the Fourth Proportional to 5,402,005,898.32, 7,454,608,029.12 and 2,990,795,853.88

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Solution

The fourth proportional to 5,402,005,898.32, 7,454,608,029.12 and 2,990,795,853.88 is: 4,127,209,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402,005,898.32 : 7,454,608,029.12 = 2,990,795,853.88 : x
  2. Step 2: Convert to fraction form
    5,402,005,898.32/7,454,608,029.12 = 2,990,795,853.88/x
  3. Step 3: Cross multiply
    5,402,005,898.32x = 7,454,608,029.12 × 2,990,795,853.88
  4. Step 4: Simplify right side
    5,402,005,898.32x = 22,295,210,785,792,655,360
  5. Step 5: Solve for x
    x = 22,295,210,785,792,655,360/5,402,005,898.32
  6. Step 6: Final answer
    x = 4,127,209,633.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.