Home / 673,460,415.15-1,010,734,710.53-285,555,625.94

Finding the Fourth Proportional to 673,460,415.15, 1,010,734,710.53 and 285,555,625.94

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Solution

The fourth proportional to 673,460,415.15, 1,010,734,710.53 and 285,555,625.94 is: 428,564,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,460,415.15 : 1,010,734,710.53 = 285,555,625.94 : x
  2. Step 2: Convert to fraction form
    673,460,415.15/1,010,734,710.53 = 285,555,625.94/x
  3. Step 3: Cross multiply
    673,460,415.15x = 1,010,734,710.53 × 285,555,625.94
  4. Step 4: Simplify right side
    673,460,415.15x = 288,620,982,918,197,376
  5. Step 5: Solve for x
    x = 288,620,982,918,197,376/673,460,415.15
  6. Step 6: Final answer
    x = 428,564,138.92

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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.