Home / 1,195,709,063.16-1,794,081,388.86-642,365,870.52

Finding the Fourth Proportional to 1,195,709,063.16, 1,794,081,388.86 and 642,365,870.52

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Solution

The fourth proportional to 1,195,709,063.16, 1,794,081,388.86 and 642,365,870.52 is: 963,826,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,709,063.16 : 1,794,081,388.86 = 642,365,870.52 : x
  2. Step 2: Convert to fraction form
    1,195,709,063.16/1,794,081,388.86 = 642,365,870.52/x
  3. Step 3: Cross multiply
    1,195,709,063.16x = 1,794,081,388.86 × 642,365,870.52
  4. Step 4: Simplify right side
    1,195,709,063.16x = 1,152,456,653,138,784,384
  5. Step 5: Solve for x
    x = 1,152,456,653,138,784,384/1,195,709,063.16
  6. Step 6: Final answer
    x = 963,826,978.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.