Home / 768,734,133.18-1,060,847,821.38-416,302,058.89

Finding the Fourth Proportional to 768,734,133.18, 1,060,847,821.38 and 416,302,058.89

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Solution

The fourth proportional to 768,734,133.18, 1,060,847,821.38 and 416,302,058.89 is: 574,493,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,734,133.18 : 1,060,847,821.38 = 416,302,058.89 : x
  2. Step 2: Convert to fraction form
    768,734,133.18/1,060,847,821.38 = 416,302,058.89/x
  3. Step 3: Cross multiply
    768,734,133.18x = 1,060,847,821.38 × 416,302,058.89
  4. Step 4: Simplify right side
    768,734,133.18x = 441,633,132,209,464,960
  5. Step 5: Solve for x
    x = 441,633,132,209,464,960/768,734,133.18
  6. Step 6: Final answer
    x = 574,493,980.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.