Home / 7,914,902,678.90-11,884,069,339.95-4,428,271,805.30

Finding the Fourth Proportional to 7,914,902,678.90, 11,884,069,339.95 and 4,428,271,805.30

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Solution

The fourth proportional to 7,914,902,678.90, 11,884,069,339.95 and 4,428,271,805.30 is: 6,648,962,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914,902,678.90 : 11,884,069,339.95 = 4,428,271,805.30 : x
  2. Step 2: Convert to fraction form
    7,914,902,678.90/11,884,069,339.95 = 4,428,271,805.30/x
  3. Step 3: Cross multiply
    7,914,902,678.90x = 11,884,069,339.95 × 4,428,271,805.30
  4. Step 4: Simplify right side
    7,914,902,678.90x = 52,625,889,190,330,769,408
  5. Step 5: Solve for x
    x = 52,625,889,190,330,769,408/7,914,902,678.90
  6. Step 6: Final answer
    x = 6,648,962,258.33

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1.5x scale

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.