Home / 828,484,808,435.25-1,143,143,218,605.60-462,622,718,452.80

Finding the Fourth Proportional to 828,484,808,435.25, 1,143,143,218,605.60 and 462,622,718,452.80

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Solution

The fourth proportional to 828,484,808,435.25, 1,143,143,218,605.60 and 462,622,718,452.80 is: 638,326,759,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,484,808,435.25 : 1,143,143,218,605.60 = 462,622,718,452.80 : x
  2. Step 2: Convert to fraction form
    828,484,808,435.25/1,143,143,218,605.60 = 462,622,718,452.80/x
  3. Step 3: Cross multiply
    828,484,808,435.25x = 1,143,143,218,605.60 × 462,622,718,452.80
  4. Step 4: Simplify right side
    828,484,808,435.25x = 528,844,023,372,206,135,312,384
  5. Step 5: Solve for x
    x = 528,844,023,372,206,135,312,384/828,484,808,435.25
  6. Step 6: Final answer
    x = 638,326,759,872.67

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Double scale
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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.