Home / 386,453,671.65-533,293,915.91-210,237,152.67

Finding the Fourth Proportional to 386,453,671.65, 533,293,915.91 and 210,237,152.67

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Solution

The fourth proportional to 386,453,671.65, 533,293,915.91 and 210,237,152.67 is: 290,120,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,453,671.65 : 533,293,915.91 = 210,237,152.67 : x
  2. Step 2: Convert to fraction form
    386,453,671.65/533,293,915.91 = 210,237,152.67/x
  3. Step 3: Cross multiply
    386,453,671.65x = 533,293,915.91 × 210,237,152.67
  4. Step 4: Simplify right side
    386,453,671.65x = 112,118,194,416,101,616
  5. Step 5: Solve for x
    x = 112,118,194,416,101,616/386,453,671.65
  6. Step 6: Final answer
    x = 290,120,660.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.