Home / 1,441,533,975.72-1,989,332,550.27-846,843,525.15

Finding the Fourth Proportional to 1,441,533,975.72, 1,989,332,550.27 and 846,843,525.15

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Solution

The fourth proportional to 1,441,533,975.72, 1,989,332,550.27 and 846,843,525.15 is: 1,168,653,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,533,975.72 : 1,989,332,550.27 = 846,843,525.15 : x
  2. Step 2: Convert to fraction form
    1,441,533,975.72/1,989,332,550.27 = 846,843,525.15/x
  3. Step 3: Cross multiply
    1,441,533,975.72x = 1,989,332,550.27 × 846,843,525.15
  4. Step 4: Simplify right side
    1,441,533,975.72x = 1,684,653,389,566,286,336
  5. Step 5: Solve for x
    x = 1,684,653,389,566,286,336/1,441,533,975.72
  6. Step 6: Final answer
    x = 1,168,653,266.55

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Double scale
Find fourth proportional to 1,441,533,976.72, 1,989,332,551.65 and 846,843,526.15
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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.