Home / 5,137,878,967.28-7,706,161,038.36-1,643,992,152.56

Finding the Fourth Proportional to 5,137,878,967.28, 7,706,161,038.36 and 1,643,992,152.56

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Solution

The fourth proportional to 5,137,878,967.28, 7,706,161,038.36 and 1,643,992,152.56 is: 2,465,777,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137,878,967.28 : 7,706,161,038.36 = 1,643,992,152.56 : x
  2. Step 2: Convert to fraction form
    5,137,878,967.28/7,706,161,038.36 = 1,643,992,152.56/x
  3. Step 3: Cross multiply
    5,137,878,967.28x = 7,706,161,038.36 × 1,643,992,152.56
  4. Step 4: Simplify right side
    5,137,878,967.28x = 12,668,868,273,427,460,096
  5. Step 5: Solve for x
    x = 12,668,868,273,427,460,096/5,137,878,967.28
  6. Step 6: Final answer
    x = 2,465,777,873.34

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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.