Home / 957,137,379.39-1,320,855,341.67-533,777,768.46

Finding the Fourth Proportional to 957,137,379.39, 1,320,855,341.67 and 533,777,768.46

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Solution

The fourth proportional to 957,137,379.39, 1,320,855,341.67 and 533,777,768.46 is: 736,616,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,137,379.39 : 1,320,855,341.67 = 533,777,768.46 : x
  2. Step 2: Convert to fraction form
    957,137,379.39/1,320,855,341.67 = 533,777,768.46/x
  3. Step 3: Cross multiply
    957,137,379.39x = 1,320,855,341.67 × 533,777,768.46
  4. Step 4: Simplify right side
    957,137,379.39x = 705,043,216,735,083,520
  5. Step 5: Solve for x
    x = 705,043,216,735,083,520/957,137,379.39
  6. Step 6: Final answer
    x = 736,616,531.67

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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.