Home / 567,886,438.56-783,683,809.20-307,126,054.56

Finding the Fourth Proportional to 567,886,438.56, 783,683,809.20 and 307,126,054.56

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Solution

The fourth proportional to 567,886,438.56, 783,683,809.20 and 307,126,054.56 is: 423,834,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,886,438.56 : 783,683,809.20 = 307,126,054.56 : x
  2. Step 2: Convert to fraction form
    567,886,438.56/783,683,809.20 = 307,126,054.56/x
  3. Step 3: Cross multiply
    567,886,438.56x = 783,683,809.20 × 307,126,054.56
  4. Step 4: Simplify right side
    567,886,438.56x = 240,689,716,342,147,840
  5. Step 5: Solve for x
    x = 240,689,716,342,147,840/567,886,438.56
  6. Step 6: Final answer
    x = 423,834,238.68

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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.