Home / 910,186,628.72-1,256,906,325.50-669,925,383.90

Finding the Fourth Proportional to 910,186,628.72, 1,256,906,325.50 and 669,925,383.90

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Solution

The fourth proportional to 910,186,628.72, 1,256,906,325.50 and 669,925,383.90 is: 925,121,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,186,628.72 : 1,256,906,325.50 = 669,925,383.90 : x
  2. Step 2: Convert to fraction form
    910,186,628.72/1,256,906,325.50 = 669,925,383.90/x
  3. Step 3: Cross multiply
    910,186,628.72x = 1,256,906,325.50 × 669,925,383.90
  4. Step 4: Simplify right side
    910,186,628.72x = 842,033,452,633,576,064
  5. Step 5: Solve for x
    x = 842,033,452,633,576,064/910,186,628.72
  6. Step 6: Final answer
    x = 925,121,756.43

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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.