Home / 258,621,000.90-387,931,501.38-258,621,000.90

Finding the Fourth Proportional to 258,621,000.90, 387,931,501.38 and 258,621,000.90

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Solution

The fourth proportional to 258,621,000.90, 387,931,501.38 and 258,621,000.90 is: 387,931,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,621,000.90 : 387,931,501.38 = 258,621,000.90 : x
  2. Step 2: Convert to fraction form
    258,621,000.90/387,931,501.38 = 258,621,000.90/x
  3. Step 3: Cross multiply
    258,621,000.90x = 387,931,501.38 × 258,621,000.90
  4. Step 4: Simplify right side
    258,621,000.90x = 100,327,233,167,535,328
  5. Step 5: Solve for x
    x = 100,327,233,167,535,328/258,621,000.90
  6. Step 6: Final answer
    x = 387,931,501.38

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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.