Home / 1,049,076,091.17-1,448,378,364.75-667,813,248.52

Finding the Fourth Proportional to 1,049,076,091.17, 1,448,378,364.75 and 667,813,248.52

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Solution

The fourth proportional to 1,049,076,091.17, 1,448,378,364.75 and 667,813,248.52 is: 921,998,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,076,091.17 : 1,448,378,364.75 = 667,813,248.52 : x
  2. Step 2: Convert to fraction form
    1,049,076,091.17/1,448,378,364.75 = 667,813,248.52/x
  3. Step 3: Cross multiply
    1,049,076,091.17x = 1,448,378,364.75 × 667,813,248.52
  4. Step 4: Simplify right side
    1,049,076,091.17x = 967,246,260,849,782,912
  5. Step 5: Solve for x
    x = 967,246,260,849,782,912/1,049,076,091.17
  6. Step 6: Final answer
    x = 921,998,193.45

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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.