Home / 1,129,159,495.21-1,558,282,156.86-677,111,060.34

Finding the Fourth Proportional to 1,129,159,495.21, 1,558,282,156.86 and 677,111,060.34

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Solution

The fourth proportional to 1,129,159,495.21, 1,558,282,156.86 and 677,111,060.34 is: 934,438,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,159,495.21 : 1,558,282,156.86 = 677,111,060.34 : x
  2. Step 2: Convert to fraction form
    1,129,159,495.21/1,558,282,156.86 = 677,111,060.34/x
  3. Step 3: Cross multiply
    1,129,159,495.21x = 1,558,282,156.86 × 677,111,060.34
  4. Step 4: Simplify right side
    1,129,159,495.21x = 1,055,130,083,540,376,832
  5. Step 5: Solve for x
    x = 1,055,130,083,540,376,832/1,129,159,495.21
  6. Step 6: Final answer
    x = 934,438,481.03

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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.