Home / 1,042,371,842.58-1,563,556,441.95-266,017,520.52

Finding the Fourth Proportional to 1,042,371,842.58, 1,563,556,441.95 and 266,017,520.52

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Solution

The fourth proportional to 1,042,371,842.58, 1,563,556,441.95 and 266,017,520.52 is: 399,025,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,371,842.58 : 1,563,556,441.95 = 266,017,520.52 : x
  2. Step 2: Convert to fraction form
    1,042,371,842.58/1,563,556,441.95 = 266,017,520.52/x
  3. Step 3: Cross multiply
    1,042,371,842.58x = 1,563,556,441.95 × 266,017,520.52
  4. Step 4: Simplify right side
    1,042,371,842.58x = 415,933,407,880,612,352
  5. Step 5: Solve for x
    x = 415,933,407,880,612,352/1,042,371,842.58
  6. Step 6: Final answer
    x = 399,025,943.42

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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.