Home / 1,124,104,916.27-1,551,427,047.19-647,704,043.21

Finding the Fourth Proportional to 1,124,104,916.27, 1,551,427,047.19 and 647,704,043.21

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Solution

The fourth proportional to 1,124,104,916.27, 1,551,427,047.19 and 647,704,043.21 is: 893,925,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,104,916.27 : 1,551,427,047.19 = 647,704,043.21 : x
  2. Step 2: Convert to fraction form
    1,124,104,916.27/1,551,427,047.19 = 647,704,043.21/x
  3. Step 3: Cross multiply
    1,124,104,916.27x = 1,551,427,047.19 × 647,704,043.21
  4. Step 4: Simplify right side
    1,124,104,916.27x = 1,004,865,571,211,407,872
  5. Step 5: Solve for x
    x = 1,004,865,571,211,407,872/1,124,104,916.27
  6. Step 6: Final answer
    x = 893,925,074.67

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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.