Home / 7,914,902,404.40-11,884,068,928.20-4,428,271,530.80

Finding the Fourth Proportional to 7,914,902,404.40, 11,884,068,928.20 and 4,428,271,530.80

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Solution

The fourth proportional to 7,914,902,404.40, 11,884,068,928.20 and 4,428,271,530.80 is: 6,648,961,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914,902,404.40 : 11,884,068,928.20 = 4,428,271,530.80 : x
  2. Step 2: Convert to fraction form
    7,914,902,404.40/11,884,068,928.20 = 4,428,271,530.80/x
  3. Step 3: Cross multiply
    7,914,902,404.40x = 11,884,068,928.20 × 4,428,271,530.80
  4. Step 4: Simplify right side
    7,914,902,404.40x = 52,625,884,104,812,937,216
  5. Step 5: Solve for x
    x = 52,625,884,104,812,937,216/7,914,902,404.40
  6. Step 6: Final answer
    x = 6,648,961,846.40

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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.