Home / 760,211,123.50-1,049,091,350.43-412,530,611.50

Finding the Fourth Proportional to 760,211,123.50, 1,049,091,350.43 and 412,530,611.50

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Solution

The fourth proportional to 760,211,123.50, 1,049,091,350.43 and 412,530,611.50 is: 569,292,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,211,123.50 : 1,049,091,350.43 = 412,530,611.50 : x
  2. Step 2: Convert to fraction form
    760,211,123.50/1,049,091,350.43 = 412,530,611.50/x
  3. Step 3: Cross multiply
    760,211,123.50x = 1,049,091,350.43 × 412,530,611.50
  4. Step 4: Simplify right side
    760,211,123.50x = 432,782,296,312,248,640
  5. Step 5: Solve for x
    x = 432,782,296,312,248,640/760,211,123.50
  6. Step 6: Final answer
    x = 569,292,243.87

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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.