Home / 716,744,790,029.37-989,108,207,028.54-387,147,826,511.65

Finding the Fourth Proportional to 716,744,790,029.37, 989,108,207,028.54 and 387,147,826,511.65

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Solution

The fourth proportional to 716,744,790,029.37, 989,108,207,028.54 and 387,147,826,511.65 is: 534,264,214,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,744,790,029.37 : 989,108,207,028.54 = 387,147,826,511.65 : x
  2. Step 2: Convert to fraction form
    716,744,790,029.37/989,108,207,028.54 = 387,147,826,511.65/x
  3. Step 3: Cross multiply
    716,744,790,029.37x = 989,108,207,028.54 × 387,147,826,511.65
  4. Step 4: Simplify right side
    716,744,790,029.37x = 382,931,092,535,934,428,643,328
  5. Step 5: Solve for x
    x = 382,931,092,535,934,428,643,328/716,744,790,029.37
  6. Step 6: Final answer
    x = 534,264,214,910.08

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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.