Home / 386,237,199.44-533,017,437.06-210,035,500.16

Finding the Fourth Proportional to 386,237,199.44, 533,017,437.06 and 210,035,500.16

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Solution

The fourth proportional to 386,237,199.44, 533,017,437.06 and 210,035,500.16 is: 289,854,483.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,237,199.44 : 533,017,437.06 = 210,035,500.16 : x
  2. Step 2: Convert to fraction form
    386,237,199.44/533,017,437.06 = 210,035,500.16/x
  3. Step 3: Cross multiply
    386,237,199.44x = 533,017,437.06 × 210,035,500.16
  4. Step 4: Simplify right side
    386,237,199.44x = 111,952,583,986,898,416
  5. Step 5: Solve for x
    x = 111,952,583,986,898,416/386,237,199.44
  6. Step 6: Final answer
    x = 289,854,483.59

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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.