Home / 4,989,519,936,987.90-7,471,390,265,641.40-3,443,594,688,111.30

Finding the Fourth Proportional to 4,989,519,936,987.90, 7,471,390,265,641.40 and 3,443,594,688,111.30

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Solution

The fourth proportional to 4,989,519,936,987.90, 7,471,390,265,641.40 and 3,443,594,688,111.30 is: 5,156,496,047,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,519,936,987.90 : 7,471,390,265,641.40 = 3,443,594,688,111.30 : x
  2. Step 2: Convert to fraction form
    4,989,519,936,987.90/7,471,390,265,641.40 = 3,443,594,688,111.30/x
  3. Step 3: Cross multiply
    4,989,519,936,987.90x = 7,471,390,265,641.40 × 3,443,594,688,111.30
  4. Step 4: Simplify right side
    4,989,519,936,987.90x = 25,728,439,831,569,200,257,695,744
  5. Step 5: Solve for x
    x = 25,728,439,831,569,200,257,695,744/4,989,519,936,987.90
  6. Step 6: Final answer
    x = 5,156,496,047,012.71

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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.