Home / 768,056,949.36-1,059,918,594.08-415,632,943.71

Finding the Fourth Proportional to 768,056,949.36, 1,059,918,594.08 and 415,632,943.71

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Solution

The fourth proportional to 768,056,949.36, 1,059,918,594.08 and 415,632,943.71 is: 573,573,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,056,949.36 : 1,059,918,594.08 = 415,632,943.71 : x
  2. Step 2: Convert to fraction form
    768,056,949.36/1,059,918,594.08 = 415,632,943.71/x
  3. Step 3: Cross multiply
    768,056,949.36x = 1,059,918,594.08 × 415,632,943.71
  4. Step 4: Simplify right side
    768,056,949.36x = 440,537,085,348,356,800
  5. Step 5: Solve for x
    x = 440,537,085,348,356,800/768,056,949.36
  6. Step 6: Final answer
    x = 573,573,464.46

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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.