Home / 12,730,479,001.62-17,567,269,450.23-7,014,443,552.69

Finding the Fourth Proportional to 12,730,479,001.62, 17,567,269,450.23 and 7,014,443,552.69

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Solution

The fourth proportional to 12,730,479,001.62, 17,567,269,450.23 and 7,014,443,552.69 is: 9,679,495,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730,479,001.62 : 17,567,269,450.23 = 7,014,443,552.69 : x
  2. Step 2: Convert to fraction form
    12,730,479,001.62/17,567,269,450.23 = 7,014,443,552.69/x
  3. Step 3: Cross multiply
    12,730,479,001.62x = 17,567,269,450.23 × 7,014,443,552.69
  4. Step 4: Simplify right side
    12,730,479,001.62x = 123,224,619,933,525,032,960
  5. Step 5: Solve for x
    x = 123,224,619,933,525,032,960/12,730,479,001.62
  6. Step 6: Final answer
    x = 9,679,495,949.67

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Double scale
Find fourth proportional to 12,730,479,002.62, 17,567,269,451.61 and 7,014,443,553.69
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.