Home / 440,303,391.60-660,455,087.40-181,385,336.40

Finding the Fourth Proportional to 440,303,391.60, 660,455,087.40 and 181,385,336.40

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Solution

The fourth proportional to 440,303,391.60, 660,455,087.40 and 181,385,336.40 is: 272,078,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,303,391.60 : 660,455,087.40 = 181,385,336.40 : x
  2. Step 2: Convert to fraction form
    440,303,391.60/660,455,087.40 = 181,385,336.40/x
  3. Step 3: Cross multiply
    440,303,391.60x = 660,455,087.40 × 181,385,336.40
  4. Step 4: Simplify right side
    440,303,391.60x = 119,796,868,205,140,400
  5. Step 5: Solve for x
    x = 119,796,868,205,140,400/440,303,391.60
  6. Step 6: Final answer
    x = 272,078,004.60

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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.