Home / 1,637,281,477.80-2,455,922,216.70-472,787,958.60

Finding the Fourth Proportional to 1,637,281,477.80, 2,455,922,216.70 and 472,787,958.60

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Solution

The fourth proportional to 1,637,281,477.80, 2,455,922,216.70 and 472,787,958.60 is: 709,181,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,281,477.80 : 2,455,922,216.70 = 472,787,958.60 : x
  2. Step 2: Convert to fraction form
    1,637,281,477.80/2,455,922,216.70 = 472,787,958.60/x
  3. Step 3: Cross multiply
    1,637,281,477.80x = 2,455,922,216.70 × 472,787,958.60
  4. Step 4: Simplify right side
    1,637,281,477.80x = 1,161,130,451,313,979,904
  5. Step 5: Solve for x
    x = 1,161,130,451,313,979,904/1,637,281,477.80
  6. Step 6: Final answer
    x = 709,181,937.90

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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.