Home / 1,517,233,553.10-2,275,850,329.65-426,716,621.10

Finding the Fourth Proportional to 1,517,233,553.10, 2,275,850,329.65 and 426,716,621.10

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Solution

The fourth proportional to 1,517,233,553.10, 2,275,850,329.65 and 426,716,621.10 is: 640,074,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,233,553.10 : 2,275,850,329.65 = 426,716,621.10 : x
  2. Step 2: Convert to fraction form
    1,517,233,553.10/2,275,850,329.65 = 426,716,621.10/x
  3. Step 3: Cross multiply
    1,517,233,553.10x = 2,275,850,329.65 × 426,716,621.10
  4. Step 4: Simplify right side
    1,517,233,553.10x = 971,143,162,797,569,280
  5. Step 5: Solve for x
    x = 971,143,162,797,569,280/1,517,233,553.10
  6. Step 6: Final answer
    x = 640,074,931.65

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Half scale
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Double scale
Find fourth proportional to 1,517,233,554.10, 2,275,850,331.15 and 426,716,622.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.