Home / 489,477,178.46-734,236,030.11-144,430,798.88

Finding the Fourth Proportional to 489,477,178.46, 734,236,030.11 and 144,430,798.88

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Solution

The fourth proportional to 489,477,178.46, 734,236,030.11 and 144,430,798.88 is: 216,652,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,477,178.46 : 734,236,030.11 = 144,430,798.88 : x
  2. Step 2: Convert to fraction form
    489,477,178.46/734,236,030.11 = 144,430,798.88/x
  3. Step 3: Cross multiply
    489,477,178.46x = 734,236,030.11 × 144,430,798.88
  4. Step 4: Simplify right side
    489,477,178.46x = 106,046,296,395,267,040
  5. Step 5: Solve for x
    x = 106,046,296,395,267,040/489,477,178.46
  6. Step 6: Final answer
    x = 216,652,177.18

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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.