Home / 790,586,478.29-1,090,373,187.43-695,012,636.29

Finding the Fourth Proportional to 790,586,478.29, 1,090,373,187.43 and 695,012,636.29

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Solution

The fourth proportional to 790,586,478.29, 1,090,373,187.43 and 695,012,636.29 is: 958,558,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,586,478.29 : 1,090,373,187.43 = 695,012,636.29 : x
  2. Step 2: Convert to fraction form
    790,586,478.29/1,090,373,187.43 = 695,012,636.29/x
  3. Step 3: Cross multiply
    790,586,478.29x = 1,090,373,187.43 × 695,012,636.29
  4. Step 4: Simplify right side
    790,586,478.29x = 757,823,143,535,654,656
  5. Step 5: Solve for x
    x = 757,823,143,535,654,656/790,586,478.29
  6. Step 6: Final answer
    x = 958,558,189.83

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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.