Home / 12,992,349,384.48-17,928,962,048.40-7,051,774,340.64

Finding the Fourth Proportional to 12,992,349,384.48, 17,928,962,048.40 and 7,051,774,340.64

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Solution

The fourth proportional to 12,992,349,384.48, 17,928,962,048.40 and 7,051,774,340.64 is: 9,731,188,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,349,384.48 : 17,928,962,048.40 = 7,051,774,340.64 : x
  2. Step 2: Convert to fraction form
    12,992,349,384.48/17,928,962,048.40 = 7,051,774,340.64/x
  3. Step 3: Cross multiply
    12,992,349,384.48x = 17,928,962,048.40 × 7,051,774,340.64
  4. Step 4: Simplify right side
    12,992,349,384.48x = 126,430,994,527,215,517,696
  5. Step 5: Solve for x
    x = 126,430,994,527,215,517,696/12,992,349,384.48
  6. Step 6: Final answer
    x = 9,731,188,008.09

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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.