Home / 2,928,362,109.78-4,392,539,455.23-747,328,294.74

Finding the Fourth Proportional to 2,928,362,109.78, 4,392,539,455.23 and 747,328,294.74

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Solution

The fourth proportional to 2,928,362,109.78, 4,392,539,455.23 and 747,328,294.74 is: 1,120,991,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,362,109.78 : 4,392,539,455.23 = 747,328,294.74 : x
  2. Step 2: Convert to fraction form
    2,928,362,109.78/4,392,539,455.23 = 747,328,294.74/x
  3. Step 3: Cross multiply
    2,928,362,109.78x = 4,392,539,455.23 × 747,328,294.74
  4. Step 4: Simplify right side
    2,928,362,109.78x = 3,282,669,020,655,204,352
  5. Step 5: Solve for x
    x = 3,282,669,020,655,204,352/2,928,362,109.78
  6. Step 6: Final answer
    x = 1,120,991,495.45

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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.