Home / 876,630,536.92-1,209,413,560.04-500,308,034.14

Finding the Fourth Proportional to 876,630,536.92, 1,209,413,560.04 and 500,308,034.14

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Solution

The fourth proportional to 876,630,536.92, 1,209,413,560.04 and 500,308,034.14 is: 690,232,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,630,536.92 : 1,209,413,560.04 = 500,308,034.14 : x
  2. Step 2: Convert to fraction form
    876,630,536.92/1,209,413,560.04 = 500,308,034.14/x
  3. Step 3: Cross multiply
    876,630,536.92x = 1,209,413,560.04 × 500,308,034.14
  4. Step 4: Simplify right side
    876,630,536.92x = 605,079,320,679,824,128
  5. Step 5: Solve for x
    x = 605,079,320,679,824,128/876,630,536.92
  6. Step 6: Final answer
    x = 690,232,994.63

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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.