Home / 1,005,968,476.72-1,388,236,564.64-559,922,267.60

Finding the Fourth Proportional to 1,005,968,476.72, 1,388,236,564.64 and 559,922,267.60

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Solution

The fourth proportional to 1,005,968,476.72, 1,388,236,564.64 and 559,922,267.60 is: 772,692,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,968,476.72 : 1,388,236,564.64 = 559,922,267.60 : x
  2. Step 2: Convert to fraction form
    1,005,968,476.72/1,388,236,564.64 = 559,922,267.60/x
  3. Step 3: Cross multiply
    1,005,968,476.72x = 1,388,236,564.64 × 559,922,267.60
  4. Step 4: Simplify right side
    1,005,968,476.72x = 777,304,565,238,462,848
  5. Step 5: Solve for x
    x = 777,304,565,238,462,848/1,005,968,476.72
  6. Step 6: Final answer
    x = 772,692,766.45

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Double scale
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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.