Home / 13,238,039,259.60-19,857,058,889.40-7,723,524,008.40

Finding the Fourth Proportional to 13,238,039,259.60, 19,857,058,889.40 and 7,723,524,008.40

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Solution

The fourth proportional to 13,238,039,259.60, 19,857,058,889.40 and 7,723,524,008.40 is: 11,585,286,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,039,259.60 : 19,857,058,889.40 = 7,723,524,008.40 : x
  2. Step 2: Convert to fraction form
    13,238,039,259.60/19,857,058,889.40 = 7,723,524,008.40/x
  3. Step 3: Cross multiply
    13,238,039,259.60x = 19,857,058,889.40 × 7,723,524,008.40
  4. Step 4: Simplify right side
    13,238,039,259.60x = 153,366,471,068,493,545,472
  5. Step 5: Solve for x
    x = 153,366,471,068,493,545,472/13,238,039,259.60
  6. Step 6: Final answer
    x = 11,585,286,012.60

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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.