Home / 354,302,912.40-531,454,368.60-304,985,187.60

Finding the Fourth Proportional to 354,302,912.40, 531,454,368.60 and 304,985,187.60

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Solution

The fourth proportional to 354,302,912.40, 531,454,368.60 and 304,985,187.60 is: 457,477,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,302,912.40 : 531,454,368.60 = 304,985,187.60 : x
  2. Step 2: Convert to fraction form
    354,302,912.40/531,454,368.60 = 304,985,187.60/x
  3. Step 3: Cross multiply
    354,302,912.40x = 531,454,368.60 × 304,985,187.60
  4. Step 4: Simplify right side
    354,302,912.40x = 162,085,710,308,310,560
  5. Step 5: Solve for x
    x = 162,085,710,308,310,560/354,302,912.40
  6. Step 6: Final answer
    x = 457,477,781.40

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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.