Home / 964,215,216.56-1,330,628,171.69-535,061,316.47

Finding the Fourth Proportional to 964,215,216.56, 1,330,628,171.69 and 535,061,316.47

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Solution

The fourth proportional to 964,215,216.56, 1,330,628,171.69 and 535,061,316.47 is: 738,390,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,215,216.56 : 1,330,628,171.69 = 535,061,316.47 : x
  2. Step 2: Convert to fraction form
    964,215,216.56/1,330,628,171.69 = 535,061,316.47/x
  3. Step 3: Cross multiply
    964,215,216.56x = 1,330,628,171.69 × 535,061,316.47
  4. Step 4: Simplify right side
    964,215,216.56x = 711,967,661,271,205,120
  5. Step 5: Solve for x
    x = 711,967,661,271,205,120/964,215,216.56
  6. Step 6: Final answer
    x = 738,390,816.74

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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.