Home / 1,685,299,277.52-2,528,947,595.25-938,939,759.69

Finding the Fourth Proportional to 1,685,299,277.52, 2,528,947,595.25 and 938,939,759.69

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Solution

The fourth proportional to 1,685,299,277.52, 2,528,947,595.25 and 938,939,759.69 is: 1,408,966,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,299,277.52 : 2,528,947,595.25 = 938,939,759.69 : x
  2. Step 2: Convert to fraction form
    1,685,299,277.52/2,528,947,595.25 = 938,939,759.69/x
  3. Step 3: Cross multiply
    1,685,299,277.52x = 2,528,947,595.25 × 938,939,759.69
  4. Step 4: Simplify right side
    1,685,299,277.52x = 2,374,529,447,339,993,600
  5. Step 5: Solve for x
    x = 2,374,529,447,339,993,600/1,685,299,277.52
  6. Step 6: Final answer
    x = 1,408,966,038.86

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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.