Home / 14,165,928,647.40-21,262,497,860.70-12,097,985,428.20

Finding the Fourth Proportional to 14,165,928,647.40, 21,262,497,860.70 and 12,097,985,428.20

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Solution

The fourth proportional to 14,165,928,647.40, 21,262,497,860.70 and 12,097,985,428.20 is: 18,158,596,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165,928,647.40 : 21,262,497,860.70 = 12,097,985,428.20 : x
  2. Step 2: Convert to fraction form
    14,165,928,647.40/21,262,497,860.70 = 12,097,985,428.20/x
  3. Step 3: Cross multiply
    14,165,928,647.40x = 21,262,497,860.70 × 12,097,985,428.20
  4. Step 4: Simplify right side
    14,165,928,647.40x = 257,233,389,285,882,298,368
  5. Step 5: Solve for x
    x = 257,233,389,285,882,298,368/14,165,928,647.40
  6. Step 6: Final answer
    x = 18,158,596,989.20

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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.