Home / 354,349,033.40-531,598,199.70-149,771,804.60

Finding the Fourth Proportional to 354,349,033.40, 531,598,199.70 and 149,771,804.60

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Solution

The fourth proportional to 354,349,033.40, 531,598,199.70 and 149,771,804.60 is: 224,689,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,349,033.40 : 531,598,199.70 = 149,771,804.60 : x
  2. Step 2: Convert to fraction form
    354,349,033.40/531,598,199.70 = 149,771,804.60/x
  3. Step 3: Cross multiply
    354,349,033.40x = 531,598,199.70 × 149,771,804.60
  4. Step 4: Simplify right side
    354,349,033.40x = 79,618,421,691,180,176
  5. Step 5: Solve for x
    x = 79,618,421,691,180,176/354,349,033.40
  6. Step 6: Final answer
    x = 224,689,258.86

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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.