Home / 1,166,906,567.52-1,610,312,138.64-638,265,929.22

Finding the Fourth Proportional to 1,166,906,567.52, 1,610,312,138.64 and 638,265,929.22

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Solution

The fourth proportional to 1,166,906,567.52, 1,610,312,138.64 and 638,265,929.22 is: 880,796,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,906,567.52 : 1,610,312,138.64 = 638,265,929.22 : x
  2. Step 2: Convert to fraction form
    1,166,906,567.52/1,610,312,138.64 = 638,265,929.22/x
  3. Step 3: Cross multiply
    1,166,906,567.52x = 1,610,312,138.64 × 638,265,929.22
  4. Step 4: Simplify right side
    1,166,906,567.52x = 1,027,807,373,503,305,216
  5. Step 5: Solve for x
    x = 1,027,807,373,503,305,216/1,166,906,567.52
  6. Step 6: Final answer
    x = 880,796,631.12

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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.