Home / 12,321,868,856.40-18,482,803,284.60-12,321,868,856.40

Finding the Fourth Proportional to 12,321,868,856.40, 18,482,803,284.60 and 12,321,868,856.40

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Solution

The fourth proportional to 12,321,868,856.40, 18,482,803,284.60 and 12,321,868,856.40 is: 18,482,803,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321,868,856.40 : 18,482,803,284.60 = 12,321,868,856.40 : x
  2. Step 2: Convert to fraction form
    12,321,868,856.40/18,482,803,284.60 = 12,321,868,856.40/x
  3. Step 3: Cross multiply
    12,321,868,856.40x = 18,482,803,284.60 × 12,321,868,856.40
  4. Step 4: Simplify right side
    12,321,868,856.40x = 227,742,678,171,480,326,144
  5. Step 5: Solve for x
    x = 227,742,678,171,480,326,144/12,321,868,856.40
  6. Step 6: Final answer
    x = 18,482,803,284.60

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Double scale
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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.