Home / 2,121,014,821.50-2,926,780,259.22-1,306,146,698.64

Finding the Fourth Proportional to 2,121,014,821.50, 2,926,780,259.22 and 1,306,146,698.64

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Solution

The fourth proportional to 2,121,014,821.50, 2,926,780,259.22 and 1,306,146,698.64 is: 1,802,346,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,014,821.50 : 2,926,780,259.22 = 1,306,146,698.64 : x
  2. Step 2: Convert to fraction form
    2,121,014,821.50/2,926,780,259.22 = 1,306,146,698.64/x
  3. Step 3: Cross multiply
    2,121,014,821.50x = 2,926,780,259.22 × 1,306,146,698.64
  4. Step 4: Simplify right side
    2,121,014,821.50x = 3,822,804,373,224,926,208
  5. Step 5: Solve for x
    x = 3,822,804,373,224,926,208/2,121,014,821.50
  6. Step 6: Final answer
    x = 1,802,346,845.71

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1.5x scale

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.