Home / 882,543,328.72-1,217,995,819.48-659,137,152.58

Finding the Fourth Proportional to 882,543,328.72, 1,217,995,819.48 and 659,137,152.58

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Solution

The fourth proportional to 882,543,328.72, 1,217,995,819.48 and 659,137,152.58 is: 909,673,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,543,328.72 : 1,217,995,819.48 = 659,137,152.58 : x
  2. Step 2: Convert to fraction form
    882,543,328.72/1,217,995,819.48 = 659,137,152.58/x
  3. Step 3: Cross multiply
    882,543,328.72x = 1,217,995,819.48 × 659,137,152.58
  4. Step 4: Simplify right side
    882,543,328.72x = 802,826,296,306,390,912
  5. Step 5: Solve for x
    x = 802,826,296,306,390,912/882,543,328.72
  6. Step 6: Final answer
    x = 909,673,519.91

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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.