Home / 761,463,615.80-1,142,195,423.70-187,034,943.80

Finding the Fourth Proportional to 761,463,615.80, 1,142,195,423.70 and 187,034,943.80

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Solution

The fourth proportional to 761,463,615.80, 1,142,195,423.70 and 187,034,943.80 is: 280,552,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,463,615.80 : 1,142,195,423.70 = 187,034,943.80 : x
  2. Step 2: Convert to fraction form
    761,463,615.80/1,142,195,423.70 = 187,034,943.80/x
  3. Step 3: Cross multiply
    761,463,615.80x = 1,142,195,423.70 × 187,034,943.80
  4. Step 4: Simplify right side
    761,463,615.80x = 213,630,456,880,346,720
  5. Step 5: Solve for x
    x = 213,630,456,880,346,720/761,463,615.80
  6. Step 6: Final answer
    x = 280,552,415.70

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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.