Home / 739,206,038.40-1,108,809,057.60-376,408,982.40

Finding the Fourth Proportional to 739,206,038.40, 1,108,809,057.60 and 376,408,982.40

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Solution

The fourth proportional to 739,206,038.40, 1,108,809,057.60 and 376,408,982.40 is: 564,613,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,206,038.40 : 1,108,809,057.60 = 376,408,982.40 : x
  2. Step 2: Convert to fraction form
    739,206,038.40/1,108,809,057.60 = 376,408,982.40/x
  3. Step 3: Cross multiply
    739,206,038.40x = 1,108,809,057.60 × 376,408,982.40
  4. Step 4: Simplify right side
    739,206,038.40x = 417,365,689,047,118,912
  5. Step 5: Solve for x
    x = 417,365,689,047,118,912/739,206,038.40
  6. Step 6: Final answer
    x = 564,613,473.60

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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.