Home / 1,072,817,406-1,480,155,282.49-626,458,781.49

Finding the Fourth Proportional to 1,072,817,406, 1,480,155,282.49 and 626,458,781.49

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Solution

The fourth proportional to 1,072,817,406, 1,480,155,282.49 and 626,458,781.49 is: 864,318,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,817,406 : 1,480,155,282.49 = 626,458,781.49 : x
  2. Step 2: Convert to fraction form
    1,072,817,406/1,480,155,282.49 = 626,458,781.49/x
  3. Step 3: Cross multiply
    1,072,817,406x = 1,480,155,282.49 × 626,458,781.49
  4. Step 4: Simplify right side
    1,072,817,406x = 927,256,274,684,672,128
  5. Step 5: Solve for x
    x = 927,256,274,684,672,128/1,072,817,406
  6. Step 6: Final answer
    x = 864,318,820.24

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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.