Home / 2,515,615,029.41-3,471,390,803.59-1,386,522,659.23

Finding the Fourth Proportional to 2,515,615,029.41, 3,471,390,803.59 and 1,386,522,659.23

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Solution

The fourth proportional to 2,515,615,029.41, 3,471,390,803.59 and 1,386,522,659.23 is: 1,913,314,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,615,029.41 : 3,471,390,803.59 = 1,386,522,659.23 : x
  2. Step 2: Convert to fraction form
    2,515,615,029.41/3,471,390,803.59 = 1,386,522,659.23/x
  3. Step 3: Cross multiply
    2,515,615,029.41x = 3,471,390,803.59 × 1,386,522,659.23
  4. Step 4: Simplify right side
    2,515,615,029.41x = 4,813,162,008,208,028,672
  5. Step 5: Solve for x
    x = 4,813,162,008,208,028,672/2,515,615,029.41
  6. Step 6: Final answer
    x = 1,913,314,220.16

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Double scale
Find fourth proportional to 2,515,615,030.41, 3,471,390,804.97 and 1,386,522,660.23
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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.