Home / 13,620,252,003.40-20,430,378,005.10-6,259,262,712.40

Finding the Fourth Proportional to 13,620,252,003.40, 20,430,378,005.10 and 6,259,262,712.40

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Solution

The fourth proportional to 13,620,252,003.40, 20,430,378,005.10 and 6,259,262,712.40 is: 9,388,894,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,252,003.40 : 20,430,378,005.10 = 6,259,262,712.40 : x
  2. Step 2: Convert to fraction form
    13,620,252,003.40/20,430,378,005.10 = 6,259,262,712.40/x
  3. Step 3: Cross multiply
    13,620,252,003.40x = 20,430,378,005.10 × 6,259,262,712.40
  4. Step 4: Simplify right side
    13,620,252,003.40x = 127,879,103,247,559,507,968
  5. Step 5: Solve for x
    x = 127,879,103,247,559,507,968/13,620,252,003.40
  6. Step 6: Final answer
    x = 9,388,894,068.60

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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.