Home / 1,010,405,165.10-1,515,607,747.65-885,441,734.70

Finding the Fourth Proportional to 1,010,405,165.10, 1,515,607,747.65 and 885,441,734.70

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Solution

The fourth proportional to 1,010,405,165.10, 1,515,607,747.65 and 885,441,734.70 is: 1,328,162,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,405,165.10 : 1,515,607,747.65 = 885,441,734.70 : x
  2. Step 2: Convert to fraction form
    1,010,405,165.10/1,515,607,747.65 = 885,441,734.70/x
  3. Step 3: Cross multiply
    1,010,405,165.10x = 1,515,607,747.65 × 885,441,734.70
  4. Step 4: Simplify right side
    1,010,405,165.10x = 1,341,982,353,203,975,936
  5. Step 5: Solve for x
    x = 1,341,982,353,203,975,936/1,010,405,165.10
  6. Step 6: Final answer
    x = 1,328,162,602.05

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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.