Home / 20,715,717,762.07-28,587,636,741.90-11,560,150,604.47

Finding the Fourth Proportional to 20,715,717,762.07, 28,587,636,741.90 and 11,560,150,604.47

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Solution

The fourth proportional to 20,715,717,762.07, 28,587,636,741.90 and 11,560,150,604.47 is: 15,952,977,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,717,762.07 : 28,587,636,741.90 = 11,560,150,604.47 : x
  2. Step 2: Convert to fraction form
    20,715,717,762.07/28,587,636,741.90 = 11,560,150,604.47/x
  3. Step 3: Cross multiply
    20,715,717,762.07x = 28,587,636,741.90 × 11,560,150,604.47
  4. Step 4: Simplify right side
    20,715,717,762.07x = 330,477,386,162,244,091,904
  5. Step 5: Solve for x
    x = 330,477,386,162,244,091,904/20,715,717,762.07
  6. Step 6: Final answer
    x = 15,952,977,828.62

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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.