Home / 1,256,897,672.10-1,734,388,301.88-774,012,858.57

Finding the Fourth Proportional to 1,256,897,672.10, 1,734,388,301.88 and 774,012,858.57

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Solution

The fourth proportional to 1,256,897,672.10, 1,734,388,301.88 and 774,012,858.57 is: 1,068,057,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,897,672.10 : 1,734,388,301.88 = 774,012,858.57 : x
  2. Step 2: Convert to fraction form
    1,256,897,672.10/1,734,388,301.88 = 774,012,858.57/x
  3. Step 3: Cross multiply
    1,256,897,672.10x = 1,734,388,301.88 × 774,012,858.57
  4. Step 4: Simplify right side
    1,256,897,672.10x = 1,342,438,847,408,507,136
  5. Step 5: Solve for x
    x = 1,342,438,847,408,507,136/1,256,897,672.10
  6. Step 6: Final answer
    x = 1,068,057,390.20

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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.