Home / 3,641,439,477.72-5,025,186,418.22-1,970,688,618.90

Finding the Fourth Proportional to 3,641,439,477.72, 5,025,186,418.22 and 1,970,688,618.90

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Solution

The fourth proportional to 3,641,439,477.72, 5,025,186,418.22 and 1,970,688,618.90 is: 2,719,550,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641,439,477.72 : 5,025,186,418.22 = 1,970,688,618.90 : x
  2. Step 2: Convert to fraction form
    3,641,439,477.72/5,025,186,418.22 = 1,970,688,618.90/x
  3. Step 3: Cross multiply
    3,641,439,477.72x = 5,025,186,418.22 × 1,970,688,618.90
  4. Step 4: Simplify right side
    3,641,439,477.72x = 9,903,077,682,237,009,920
  5. Step 5: Solve for x
    x = 9,903,077,682,237,009,920/3,641,439,477.72
  6. Step 6: Final answer
    x = 2,719,550,261.05

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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.