Home / 623,037,453.14-860,056,422.66-388,204,137.96

Finding the Fourth Proportional to 623,037,453.14, 860,056,422.66 and 388,204,137.96

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Solution

The fourth proportional to 623,037,453.14, 860,056,422.66 and 388,204,137.96 is: 535,886,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,037,453.14 : 860,056,422.66 = 388,204,137.96 : x
  2. Step 2: Convert to fraction form
    623,037,453.14/860,056,422.66 = 388,204,137.96/x
  3. Step 3: Cross multiply
    623,037,453.14x = 860,056,422.66 × 388,204,137.96
  4. Step 4: Simplify right side
    623,037,453.14x = 333,877,462,155,686,656
  5. Step 5: Solve for x
    x = 333,877,462,155,686,656/623,037,453.14
  6. Step 6: Final answer
    x = 535,886,663.75

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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.