Home / 845,585,995.88-1,166,906,288.05-469,299,397.52

Finding the Fourth Proportional to 845,585,995.88, 1,166,906,288.05 and 469,299,397.52

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Solution

The fourth proportional to 845,585,995.88, 1,166,906,288.05 and 469,299,397.52 is: 647,631,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,585,995.88 : 1,166,906,288.05 = 469,299,397.52 : x
  2. Step 2: Convert to fraction form
    845,585,995.88/1,166,906,288.05 = 469,299,397.52/x
  3. Step 3: Cross multiply
    845,585,995.88x = 1,166,906,288.05 × 469,299,397.52
  4. Step 4: Simplify right side
    845,585,995.88x = 547,628,417,937,156,736
  5. Step 5: Solve for x
    x = 547,628,417,937,156,736/845,585,995.88
  6. Step 6: Final answer
    x = 647,631,844.20

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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.