Home / 1,426,241,718.72-1,967,489,209.44-931,494,029.76

Finding the Fourth Proportional to 1,426,241,718.72, 1,967,489,209.44 and 931,494,029.76

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Solution

The fourth proportional to 1,426,241,718.72, 1,967,489,209.44 and 931,494,029.76 is: 1,284,988,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,241,718.72 : 1,967,489,209.44 = 931,494,029.76 : x
  2. Step 2: Convert to fraction form
    1,426,241,718.72/1,967,489,209.44 = 931,494,029.76/x
  3. Step 3: Cross multiply
    1,426,241,718.72x = 1,967,489,209.44 × 931,494,029.76
  4. Step 4: Simplify right side
    1,426,241,718.72x = 1,832,704,452,210,582,272
  5. Step 5: Solve for x
    x = 1,832,704,452,210,582,272/1,426,241,718.72
  6. Step 6: Final answer
    x = 1,284,988,672.09

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Double scale
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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.