Home / 767,919,812.41-1,059,721,796.63-415,488,070.25

Finding the Fourth Proportional to 767,919,812.41, 1,059,721,796.63 and 415,488,070.25

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Solution

The fourth proportional to 767,919,812.41, 1,059,721,796.63 and 415,488,070.25 is: 573,369,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,919,812.41 : 1,059,721,796.63 = 415,488,070.25 : x
  2. Step 2: Convert to fraction form
    767,919,812.41/1,059,721,796.63 = 415,488,070.25/x
  3. Step 3: Cross multiply
    767,919,812.41x = 1,059,721,796.63 × 415,488,070.25
  4. Step 4: Simplify right side
    767,919,812.41x = 440,301,764,276,285,632
  5. Step 5: Solve for x
    x = 440,301,764,276,285,632/767,919,812.41
  6. Step 6: Final answer
    x = 573,369,454.94

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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.