Home / 13,240,317,018.98-18,271,111,203.36-7,816,599,703.87

Finding the Fourth Proportional to 13,240,317,018.98, 18,271,111,203.36 and 7,816,599,703.87

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Solution

The fourth proportional to 13,240,317,018.98, 18,271,111,203.36 and 7,816,599,703.87 is: 10,786,596,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240,317,018.98 : 18,271,111,203.36 = 7,816,599,703.87 : x
  2. Step 2: Convert to fraction form
    13,240,317,018.98/18,271,111,203.36 = 7,816,599,703.87/x
  3. Step 3: Cross multiply
    13,240,317,018.98x = 18,271,111,203.36 × 7,816,599,703.87
  4. Step 4: Simplify right side
    13,240,317,018.98x = 142,817,962,421,555,740,672
  5. Step 5: Solve for x
    x = 142,817,962,421,555,740,672/13,240,317,018.98
  6. Step 6: Final answer
    x = 10,786,596,893.17

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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.