Home / 2,021,274,004.40-3,031,911,006.60-489,464,212.40

Finding the Fourth Proportional to 2,021,274,004.40, 3,031,911,006.60 and 489,464,212.40

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Solution

The fourth proportional to 2,021,274,004.40, 3,031,911,006.60 and 489,464,212.40 is: 734,196,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,274,004.40 : 3,031,911,006.60 = 489,464,212.40 : x
  2. Step 2: Convert to fraction form
    2,021,274,004.40/3,031,911,006.60 = 489,464,212.40/x
  3. Step 3: Cross multiply
    2,021,274,004.40x = 3,031,911,006.60 × 489,464,212.40
  4. Step 4: Simplify right side
    2,021,274,004.40x = 1,484,011,932,912,360,192
  5. Step 5: Solve for x
    x = 1,484,011,932,912,360,192/2,021,274,004.40
  6. Step 6: Final answer
    x = 734,196,318.60

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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.