Home / 475,280,353.88-712,774,617.96-328,670,050.67

Finding the Fourth Proportional to 475,280,353.88, 712,774,617.96 and 328,670,050.67

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Solution

The fourth proportional to 475,280,353.88, 712,774,617.96 and 328,670,050.67 is: 492,904,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,280,353.88 : 712,774,617.96 = 328,670,050.67 : x
  2. Step 2: Convert to fraction form
    475,280,353.88/712,774,617.96 = 328,670,050.67/x
  3. Step 3: Cross multiply
    475,280,353.88x = 712,774,617.96 × 328,670,050.67
  4. Step 4: Simplify right side
    475,280,353.88x = 234,267,669,797,639,232
  5. Step 5: Solve for x
    x = 234,267,669,797,639,232/475,280,353.88
  6. Step 6: Final answer
    x = 492,904,173.06

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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.