Home / 575,505,071.70-863,257,607.55-212,141,145.30

Finding the Fourth Proportional to 575,505,071.70, 863,257,607.55 and 212,141,145.30

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Solution

The fourth proportional to 575,505,071.70, 863,257,607.55 and 212,141,145.30 is: 318,211,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,505,071.70 : 863,257,607.55 = 212,141,145.30 : x
  2. Step 2: Convert to fraction form
    575,505,071.70/863,257,607.55 = 212,141,145.30/x
  3. Step 3: Cross multiply
    575,505,071.70x = 863,257,607.55 × 212,141,145.30
  4. Step 4: Simplify right side
    575,505,071.70x = 183,132,457,554,594,912
  5. Step 5: Solve for x
    x = 183,132,457,554,594,912/575,505,071.70
  6. Step 6: Final answer
    x = 318,211,717.95

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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.