Home / 1,787,316,257.60-2,680,974,386.40-494,851,745.60

Finding the Fourth Proportional to 1,787,316,257.60, 2,680,974,386.40 and 494,851,745.60

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Solution

The fourth proportional to 1,787,316,257.60, 2,680,974,386.40 and 494,851,745.60 is: 742,277,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,316,257.60 : 2,680,974,386.40 = 494,851,745.60 : x
  2. Step 2: Convert to fraction form
    1,787,316,257.60/2,680,974,386.40 = 494,851,745.60/x
  3. Step 3: Cross multiply
    1,787,316,257.60x = 2,680,974,386.40 × 494,851,745.60
  4. Step 4: Simplify right side
    1,787,316,257.60x = 1,326,684,855,018,928,896
  5. Step 5: Solve for x
    x = 1,326,684,855,018,928,896/1,787,316,257.60
  6. Step 6: Final answer
    x = 742,277,618.40

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Double scale
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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.