Home / 992,274,612.64-1,369,338,983.76-552,345,390.88

Finding the Fourth Proportional to 992,274,612.64, 1,369,338,983.76 and 552,345,390.88

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Solution

The fourth proportional to 992,274,612.64, 1,369,338,983.76 and 552,345,390.88 is: 762,236,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,274,612.64 : 1,369,338,983.76 = 552,345,390.88 : x
  2. Step 2: Convert to fraction form
    992,274,612.64/1,369,338,983.76 = 552,345,390.88/x
  3. Step 3: Cross multiply
    992,274,612.64x = 1,369,338,983.76 × 552,345,390.88
  4. Step 4: Simplify right side
    992,274,612.64x = 756,348,076,232,139,136
  5. Step 5: Solve for x
    x = 756,348,076,232,139,136/992,274,612.64
  6. Step 6: Final answer
    x = 762,236,649.61

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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.