Home / 704,490,665.60-1,056,735,998.40-186,920,105.60

Finding the Fourth Proportional to 704,490,665.60, 1,056,735,998.40 and 186,920,105.60

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Solution

The fourth proportional to 704,490,665.60, 1,056,735,998.40 and 186,920,105.60 is: 280,380,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,490,665.60 : 1,056,735,998.40 = 186,920,105.60 : x
  2. Step 2: Convert to fraction form
    704,490,665.60/1,056,735,998.40 = 186,920,105.60/x
  3. Step 3: Cross multiply
    704,490,665.60x = 1,056,735,998.40 × 186,920,105.60
  4. Step 4: Simplify right side
    704,490,665.60x = 197,525,204,412,249,408
  5. Step 5: Solve for x
    x = 197,525,204,412,249,408/704,490,665.60
  6. Step 6: Final answer
    x = 280,380,158.40

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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.