Home / 1,100,124,560.16-1,650,865,593.69-509,804,767.71

Finding the Fourth Proportional to 1,100,124,560.16, 1,650,865,593.69 and 509,804,767.71

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Solution

The fourth proportional to 1,100,124,560.16, 1,650,865,593.69 and 509,804,767.71 is: 765,021,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,124,560.16 : 1,650,865,593.69 = 509,804,767.71 : x
  2. Step 2: Convert to fraction form
    1,100,124,560.16/1,650,865,593.69 = 509,804,767.71/x
  3. Step 3: Cross multiply
    1,100,124,560.16x = 1,650,865,593.69 × 509,804,767.71
  4. Step 4: Simplify right side
    1,100,124,560.16x = 841,619,150,511,561,728
  5. Step 5: Solve for x
    x = 841,619,150,511,561,728/1,100,124,560.16
  6. Step 6: Final answer
    x = 765,021,690.26

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Double scale
Find fourth proportional to 1,100,124,561.16, 1,650,865,595.19 and 509,804,768.71
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.