Home / 2,163,191,494.50-2,985,330,127.91-1,210,564,176.21

Finding the Fourth Proportional to 2,163,191,494.50, 2,985,330,127.91 and 1,210,564,176.21

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Solution

The fourth proportional to 2,163,191,494.50, 2,985,330,127.91 and 1,210,564,176.21 is: 1,670,648,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,191,494.50 : 2,985,330,127.91 = 1,210,564,176.21 : x
  2. Step 2: Convert to fraction form
    2,163,191,494.50/2,985,330,127.91 = 1,210,564,176.21/x
  3. Step 3: Cross multiply
    2,163,191,494.50x = 2,985,330,127.91 × 1,210,564,176.21
  4. Step 4: Simplify right side
    2,163,191,494.50x = 3,613,933,707,002,210,816
  5. Step 5: Solve for x
    x = 3,613,933,707,002,210,816/2,163,191,494.50
  6. Step 6: Final answer
    x = 1,670,648,999.96

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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.