Home / 1,273,295,582.16-1,909,943,211.24-353,171,915.76

Finding the Fourth Proportional to 1,273,295,582.16, 1,909,943,211.24 and 353,171,915.76

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Solution

The fourth proportional to 1,273,295,582.16, 1,909,943,211.24 and 353,171,915.76 is: 529,757,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,295,582.16 : 1,909,943,211.24 = 353,171,915.76 : x
  2. Step 2: Convert to fraction form
    1,273,295,582.16/1,909,943,211.24 = 353,171,915.76/x
  3. Step 3: Cross multiply
    1,273,295,582.16x = 1,909,943,211.24 × 353,171,915.76
  4. Step 4: Simplify right side
    1,273,295,582.16x = 674,538,302,906,437,120
  5. Step 5: Solve for x
    x = 674,538,302,906,437,120/1,273,295,582.16
  6. Step 6: Final answer
    x = 529,757,828.71

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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.