Home / 925,963,403.55-1,277,830,896.78-502,577,216.79

Finding the Fourth Proportional to 925,963,403.55, 1,277,830,896.78 and 502,577,216.79

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Solution

The fourth proportional to 925,963,403.55, 1,277,830,896.78 and 502,577,216.79 is: 693,557,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,963,403.55 : 1,277,830,896.78 = 502,577,216.79 : x
  2. Step 2: Convert to fraction form
    925,963,403.55/1,277,830,896.78 = 502,577,216.79/x
  3. Step 3: Cross multiply
    925,963,403.55x = 1,277,830,896.78 × 502,577,216.79
  4. Step 4: Simplify right side
    925,963,403.55x = 642,208,695,631,962,240
  5. Step 5: Solve for x
    x = 642,208,695,631,962,240/925,963,403.55
  6. Step 6: Final answer
    x = 693,557,318.97

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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.