Home / 3,891,971,917.76-5,838,708,980-1,271,071,423.84

Finding the Fourth Proportional to 3,891,971,917.76, 5,838,708,980 and 1,271,071,423.84

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Solution

The fourth proportional to 3,891,971,917.76, 5,838,708,980 and 1,271,071,423.84 is: 1,906,852,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,971,917.76 : 5,838,708,980 = 1,271,071,423.84 : x
  2. Step 2: Convert to fraction form
    3,891,971,917.76/5,838,708,980 = 1,271,071,423.84/x
  3. Step 3: Cross multiply
    3,891,971,917.76x = 5,838,708,980 × 1,271,071,423.84
  4. Step 4: Simplify right side
    3,891,971,917.76x = 7,421,416,136,595,993,600
  5. Step 5: Solve for x
    x = 7,421,416,136,595,993,600/3,891,971,917.76
  6. Step 6: Final answer
    x = 1,906,852,437.12

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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.