Home / 1,438,466,571.69-1,983,990,034.53-1,237,861,565.43

Finding the Fourth Proportional to 1,438,466,571.69, 1,983,990,034.53 and 1,237,861,565.43

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Solution

The fourth proportional to 1,438,466,571.69, 1,983,990,034.53 and 1,237,861,565.43 is: 1,707,307,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,466,571.69 : 1,983,990,034.53 = 1,237,861,565.43 : x
  2. Step 2: Convert to fraction form
    1,438,466,571.69/1,983,990,034.53 = 1,237,861,565.43/x
  3. Step 3: Cross multiply
    1,438,466,571.69x = 1,983,990,034.53 × 1,237,861,565.43
  4. Step 4: Simplify right side
    1,438,466,571.69x = 2,455,905,009,940,825,600
  5. Step 5: Solve for x
    x = 2,455,905,009,940,825,600/1,438,466,571.69
  6. Step 6: Final answer
    x = 1,707,307,669.34

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Double scale
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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.