Home / 18,679,340,670.48-25,778,068,331.04-10,221,520,928.40

Finding the Fourth Proportional to 18,679,340,670.48, 25,778,068,331.04 and 10,221,520,928.40

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Solution

The fourth proportional to 18,679,340,670.48, 25,778,068,331.04 and 10,221,520,928.40 is: 14,106,015,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,340,670.48 : 25,778,068,331.04 = 10,221,520,928.40 : x
  2. Step 2: Convert to fraction form
    18,679,340,670.48/25,778,068,331.04 = 10,221,520,928.40/x
  3. Step 3: Cross multiply
    18,679,340,670.48x = 25,778,068,331.04 × 10,221,520,928.40
  4. Step 4: Simplify right side
    18,679,340,670.48x = 263,491,064,939,450,630,144
  5. Step 5: Solve for x
    x = 263,491,064,939,450,630,144/18,679,340,670.48
  6. Step 6: Final answer
    x = 14,106,015,281.14

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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.