Home / 1,180,087,185.96-1,628,477,631.12-651,439,824.12

Finding the Fourth Proportional to 1,180,087,185.96, 1,628,477,631.12 and 651,439,824.12

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Solution

The fourth proportional to 1,180,087,185.96, 1,628,477,631.12 and 651,439,824.12 is: 898,963,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,087,185.96 : 1,628,477,631.12 = 651,439,824.12 : x
  2. Step 2: Convert to fraction form
    1,180,087,185.96/1,628,477,631.12 = 651,439,824.12/x
  3. Step 3: Cross multiply
    1,180,087,185.96x = 1,628,477,631.12 × 651,439,824.12
  4. Step 4: Simplify right side
    1,180,087,185.96x = 1,060,855,181,600,166,912
  5. Step 5: Solve for x
    x = 1,060,855,181,600,166,912/1,180,087,185.96
  6. Step 6: Final answer
    x = 898,963,393.74

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Half scale
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Double scale
Find fourth proportional to 1,180,087,186.96, 1,628,477,632.50 and 651,439,825.12
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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.