Home / 2,021,274,021.40-3,031,911,032.10-489,464,229.40

Finding the Fourth Proportional to 2,021,274,021.40, 3,031,911,032.10 and 489,464,229.40

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Solution

The fourth proportional to 2,021,274,021.40, 3,031,911,032.10 and 489,464,229.40 is: 734,196,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,274,021.40 : 3,031,911,032.10 = 489,464,229.40 : x
  2. Step 2: Convert to fraction form
    2,021,274,021.40/3,031,911,032.10 = 489,464,229.40/x
  3. Step 3: Cross multiply
    2,021,274,021.40x = 3,031,911,032.10 × 489,464,229.40
  4. Step 4: Simplify right side
    2,021,274,021.40x = 1,484,011,996,936,185,088
  5. Step 5: Solve for x
    x = 1,484,011,996,936,185,088/2,021,274,021.40
  6. Step 6: Final answer
    x = 734,196,344.10

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Double scale
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Similar ratio
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1.5x scale

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.