Home / 782,747,483.62-1,080,192,222.37-430,329,470.35

Finding the Fourth Proportional to 782,747,483.62, 1,080,192,222.37 and 430,329,470.35

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Solution

The fourth proportional to 782,747,483.62, 1,080,192,222.37 and 430,329,470.35 is: 593,855,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,747,483.62 : 1,080,192,222.37 = 430,329,470.35 : x
  2. Step 2: Convert to fraction form
    782,747,483.62/1,080,192,222.37 = 430,329,470.35/x
  3. Step 3: Cross multiply
    782,747,483.62x = 1,080,192,222.37 × 430,329,470.35
  4. Step 4: Simplify right side
    782,747,483.62x = 464,838,546,932,447,808
  5. Step 5: Solve for x
    x = 464,838,546,932,447,808/782,747,483.62
  6. Step 6: Final answer
    x = 593,855,051.16

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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.