Home / 1,253,111,802.62-1,729,192,903.54-724,509,703.58

Finding the Fourth Proportional to 1,253,111,802.62, 1,729,192,903.54 and 724,509,703.58

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Solution

The fourth proportional to 1,253,111,802.62, 1,729,192,903.54 and 724,509,703.58 is: 999,764,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,111,802.62 : 1,729,192,903.54 = 724,509,703.58 : x
  2. Step 2: Convert to fraction form
    1,253,111,802.62/1,729,192,903.54 = 724,509,703.58/x
  3. Step 3: Cross multiply
    1,253,111,802.62x = 1,729,192,903.54 × 724,509,703.58
  4. Step 4: Simplify right side
    1,253,111,802.62x = 1,252,817,037,965,947,648
  5. Step 5: Solve for x
    x = 1,252,817,037,965,947,648/1,253,111,802.62
  6. Step 6: Final answer
    x = 999,764,773.86

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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.