Home / 28,263,794,430.22-39,004,036,532.91-15,576,530,239.12

Finding the Fourth Proportional to 28,263,794,430.22, 39,004,036,532.91 and 15,576,530,239.12

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Solution

The fourth proportional to 28,263,794,430.22, 39,004,036,532.91 and 15,576,530,239.12 is: 21,495,611,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263,794,430.22 : 39,004,036,532.91 = 15,576,530,239.12 : x
  2. Step 2: Convert to fraction form
    28,263,794,430.22/39,004,036,532.91 = 15,576,530,239.12/x
  3. Step 3: Cross multiply
    28,263,794,430.22x = 39,004,036,532.91 × 15,576,530,239.12
  4. Step 4: Simplify right side
    28,263,794,430.22x = 607,547,554,502,613,925,888
  5. Step 5: Solve for x
    x = 607,547,554,502,613,925,888/28,263,794,430.22
  6. Step 6: Final answer
    x = 21,495,611,850.79

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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.