Home / 30,425,558,857.80-45,638,338,286.70-8,342,555,555.40

Finding the Fourth Proportional to 30,425,558,857.80, 45,638,338,286.70 and 8,342,555,555.40

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Solution

The fourth proportional to 30,425,558,857.80, 45,638,338,286.70 and 8,342,555,555.40 is: 12,513,833,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425,558,857.80 : 45,638,338,286.70 = 8,342,555,555.40 : x
  2. Step 2: Convert to fraction form
    30,425,558,857.80/45,638,338,286.70 = 8,342,555,555.40/x
  3. Step 3: Cross multiply
    30,425,558,857.80x = 45,638,338,286.70 × 8,342,555,555.40
  4. Step 4: Simplify right side
    30,425,558,857.80x = 380,740,372,612,933,550,080
  5. Step 5: Solve for x
    x = 380,740,372,612,933,550,080/30,425,558,857.80
  6. Step 6: Final answer
    x = 12,513,833,333.10

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Double scale
Find fourth proportional to 30,425,558,858.80, 45,638,338,288.20 and 8,342,555,556.40
Similar ratio
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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.