Home / 12,261,920,618.10-18,392,880,927.15-7,102,140,266.10

Finding the Fourth Proportional to 12,261,920,618.10, 18,392,880,927.15 and 7,102,140,266.10

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Solution

The fourth proportional to 12,261,920,618.10, 18,392,880,927.15 and 7,102,140,266.10 is: 10,653,210,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261,920,618.10 : 18,392,880,927.15 = 7,102,140,266.10 : x
  2. Step 2: Convert to fraction form
    12,261,920,618.10/18,392,880,927.15 = 7,102,140,266.10/x
  3. Step 3: Cross multiply
    12,261,920,618.10x = 18,392,880,927.15 × 7,102,140,266.10
  4. Step 4: Simplify right side
    12,261,920,618.10x = 130,628,820,242,294,734,848
  5. Step 5: Solve for x
    x = 130,628,820,242,294,734,848/12,261,920,618.10
  6. Step 6: Final answer
    x = 10,653,210,399.15

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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.