Home / 673,460,416.65-1,010,734,712.78-285,555,627.44

Finding the Fourth Proportional to 673,460,416.65, 1,010,734,712.78 and 285,555,627.44

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Solution

The fourth proportional to 673,460,416.65, 1,010,734,712.78 and 285,555,627.44 is: 428,564,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,460,416.65 : 1,010,734,712.78 = 285,555,627.44 : x
  2. Step 2: Convert to fraction form
    673,460,416.65/1,010,734,712.78 = 285,555,627.44/x
  3. Step 3: Cross multiply
    673,460,416.65x = 1,010,734,712.78 × 285,555,627.44
  4. Step 4: Simplify right side
    673,460,416.65x = 288,620,985,076,799,616
  5. Step 5: Solve for x
    x = 288,620,985,076,799,616/673,460,416.65
  6. Step 6: Final answer
    x = 428,564,141.17

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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.