Home / 647,269,499,666.16-893,233,820,583.36-358,257,832,565.04

Finding the Fourth Proportional to 647,269,499,666.16, 893,233,820,583.36 and 358,257,832,565.04

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Solution

The fourth proportional to 647,269,499,666.16, 893,233,820,583.36 and 358,257,832,565.04 is: 494,396,866,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,269,499,666.16 : 893,233,820,583.36 = 358,257,832,565.04 : x
  2. Step 2: Convert to fraction form
    647,269,499,666.16/893,233,820,583.36 = 358,257,832,565.04/x
  3. Step 3: Cross multiply
    647,269,499,666.16x = 893,233,820,583.36 × 358,257,832,565.04
  4. Step 4: Simplify right side
    647,269,499,666.16x = 320,008,012,535,984,329,588,736
  5. Step 5: Solve for x
    x = 320,008,012,535,984,329,588,736/647,269,499,666.16
  6. Step 6: Final answer
    x = 494,396,866,685.41

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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.