Home / 397,527,252.15-596,563,255.51-138,742,472.33

Finding the Fourth Proportional to 397,527,252.15, 596,563,255.51 and 138,742,472.33

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Solution

The fourth proportional to 397,527,252.15, 596,563,255.51 and 138,742,472.33 is: 208,208,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,527,252.15 : 596,563,255.51 = 138,742,472.33 : x
  2. Step 2: Convert to fraction form
    397,527,252.15/596,563,255.51 = 138,742,472.33/x
  3. Step 3: Cross multiply
    397,527,252.15x = 596,563,255.51 × 138,742,472.33
  4. Step 4: Simplify right side
    397,527,252.15x = 82,768,660,967,014,352
  5. Step 5: Solve for x
    x = 82,768,660,967,014,352/397,527,252.15
  6. Step 6: Final answer
    x = 208,208,771.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.