Home / 769,772,054.08-1,062,307,839.36-435,237,390.37

Finding the Fourth Proportional to 769,772,054.08, 1,062,307,839.36 and 435,237,390.37

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Solution

The fourth proportional to 769,772,054.08, 1,062,307,839.36 and 435,237,390.37 is: 600,640,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,772,054.08 : 1,062,307,839.36 = 435,237,390.37 : x
  2. Step 2: Convert to fraction form
    769,772,054.08/1,062,307,839.36 = 435,237,390.37/x
  3. Step 3: Cross multiply
    769,772,054.08x = 1,062,307,839.36 × 435,237,390.37
  4. Step 4: Simplify right side
    769,772,054.08x = 462,356,091,772,639,552
  5. Step 5: Solve for x
    x = 462,356,091,772,639,552/769,772,054.08
  6. Step 6: Final answer
    x = 600,640,266.59

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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.