Home / 7,914,902,542.40-11,884,069,135.20-4,428,271,668.80

Finding the Fourth Proportional to 7,914,902,542.40, 11,884,069,135.20 and 4,428,271,668.80

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Solution

The fourth proportional to 7,914,902,542.40, 11,884,069,135.20 and 4,428,271,668.80 is: 6,648,962,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914,902,542.40 : 11,884,069,135.20 = 4,428,271,668.80 : x
  2. Step 2: Convert to fraction form
    7,914,902,542.40/11,884,069,135.20 = 4,428,271,668.80/x
  3. Step 3: Cross multiply
    7,914,902,542.40x = 11,884,069,135.20 × 4,428,271,668.80
  4. Step 4: Simplify right side
    7,914,902,542.40x = 52,625,886,661,466,685,440
  5. Step 5: Solve for x
    x = 52,625,886,661,466,685,440/7,914,902,542.40
  6. Step 6: Final answer
    x = 6,648,962,053.49

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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.