Home / 929,232,179.70-1,392,168,653.55-540,736,998.90

Finding the Fourth Proportional to 929,232,179.70, 1,392,168,653.55 and 540,736,998.90

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Solution

The fourth proportional to 929,232,179.70, 1,392,168,653.55 and 540,736,998.90 is: 810,128,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,232,179.70 : 1,392,168,653.55 = 540,736,998.90 : x
  2. Step 2: Convert to fraction form
    929,232,179.70/1,392,168,653.55 = 540,736,998.90/x
  3. Step 3: Cross multiply
    929,232,179.70x = 1,392,168,653.55 × 540,736,998.90
  4. Step 4: Simplify right side
    929,232,179.70x = 752,797,099,683,280,768
  5. Step 5: Solve for x
    x = 752,797,099,683,280,768/929,232,179.70
  6. Step 6: Final answer
    x = 810,128,099.44

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1.5x scale

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.