Home / 716,141,234,089.26-988,720,993,993.68-455,865,853,993.38

Finding the Fourth Proportional to 716,141,234,089.26, 988,720,993,993.68 and 455,865,853,993.38

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Solution

The fourth proportional to 716,141,234,089.26, 988,720,993,993.68 and 455,865,853,993.38 is: 629,378,841,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,141,234,089.26 : 988,720,993,993.68 = 455,865,853,993.38 : x
  2. Step 2: Convert to fraction form
    716,141,234,089.26/988,720,993,993.68 = 455,865,853,993.38/x
  3. Step 3: Cross multiply
    716,141,234,089.26x = 988,720,993,993.68 × 455,865,853,993.38
  4. Step 4: Simplify right side
    716,141,234,089.26x = 450,724,140,288,112,502,767,616
  5. Step 5: Solve for x
    x = 450,724,140,288,112,502,767,616/716,141,234,089.26
  6. Step 6: Final answer
    x = 629,378,841,537.19

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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.