Home / 798,320,869.71-1,101,671,075.70-445,902,003.51

Finding the Fourth Proportional to 798,320,869.71, 1,101,671,075.70 and 445,902,003.51

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Solution

The fourth proportional to 798,320,869.71, 1,101,671,075.70 and 445,902,003.51 is: 615,338,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,320,869.71 : 1,101,671,075.70 = 445,902,003.51 : x
  2. Step 2: Convert to fraction form
    798,320,869.71/1,101,671,075.70 = 445,902,003.51/x
  3. Step 3: Cross multiply
    798,320,869.71x = 1,101,671,075.70 × 445,902,003.51
  4. Step 4: Simplify right side
    798,320,869.71x = 491,237,339,863,646,912
  5. Step 5: Solve for x
    x = 491,237,339,863,646,912/798,320,869.71
  6. Step 6: Final answer
    x = 615,338,216.13

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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.