Home / 1,049,076,106.79-1,448,378,386.38-667,813,264.16

Finding the Fourth Proportional to 1,049,076,106.79, 1,448,378,386.38 and 667,813,264.16

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Solution

The fourth proportional to 1,049,076,106.79, 1,448,378,386.38 and 667,813,264.16 is: 921,998,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,076,106.79 : 1,448,378,386.38 = 667,813,264.16 : x
  2. Step 2: Convert to fraction form
    1,049,076,106.79/1,448,378,386.38 = 667,813,264.16/x
  3. Step 3: Cross multiply
    1,049,076,106.79x = 1,448,378,386.38 × 667,813,264.16
  4. Step 4: Simplify right side
    1,049,076,106.79x = 967,246,297,939,979,648
  5. Step 5: Solve for x
    x = 967,246,297,939,979,648/1,049,076,106.79
  6. Step 6: Final answer
    x = 921,998,215.08

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Double scale
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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.