Home / 5,390,068,121.40-8,085,102,182.10-1,305,242,009.40

Finding the Fourth Proportional to 5,390,068,121.40, 8,085,102,182.10 and 1,305,242,009.40

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Solution

The fourth proportional to 5,390,068,121.40, 8,085,102,182.10 and 1,305,242,009.40 is: 1,957,863,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,068,121.40 : 8,085,102,182.10 = 1,305,242,009.40 : x
  2. Step 2: Convert to fraction form
    5,390,068,121.40/8,085,102,182.10 = 1,305,242,009.40/x
  3. Step 3: Cross multiply
    5,390,068,121.40x = 8,085,102,182.10 × 1,305,242,009.40
  4. Step 4: Simplify right side
    5,390,068,121.40x = 10,553,015,018,368,530,432
  5. Step 5: Solve for x
    x = 10,553,015,018,368,530,432/5,390,068,121.40
  6. Step 6: Final answer
    x = 1,957,863,014.10

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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.