Home / 4,768,645,258.08-7,152,969,730.32-2,145,385,876.32

Finding the Fourth Proportional to 4,768,645,258.08, 7,152,969,730.32 and 2,145,385,876.32

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Solution

The fourth proportional to 4,768,645,258.08, 7,152,969,730.32 and 2,145,385,876.32 is: 3,218,079,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768,645,258.08 : 7,152,969,730.32 = 2,145,385,876.32 : x
  2. Step 2: Convert to fraction form
    4,768,645,258.08/7,152,969,730.32 = 2,145,385,876.32/x
  3. Step 3: Cross multiply
    4,768,645,258.08x = 7,152,969,730.32 × 2,145,385,876.32
  4. Step 4: Simplify right side
    4,768,645,258.08x = 15,345,880,233,173,006,336
  5. Step 5: Solve for x
    x = 15,345,880,233,173,006,336/4,768,645,258.08
  6. Step 6: Final answer
    x = 3,218,079,643.73

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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.