Home / 19,487,680,354.80-26,888,389,684.65-11,029,504,131.72

Finding the Fourth Proportional to 19,487,680,354.80, 26,888,389,684.65 and 11,029,504,131.72

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Solution

The fourth proportional to 19,487,680,354.80, 26,888,389,684.65 and 11,029,504,131.72 is: 15,218,107,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487,680,354.80 : 26,888,389,684.65 = 11,029,504,131.72 : x
  2. Step 2: Convert to fraction form
    19,487,680,354.80/26,888,389,684.65 = 11,029,504,131.72/x
  3. Step 3: Cross multiply
    19,487,680,354.80x = 26,888,389,684.65 × 11,029,504,131.72
  4. Step 4: Simplify right side
    19,487,680,354.80x = 296,565,605,122,144,600,064
  5. Step 5: Solve for x
    x = 296,565,605,122,144,600,064/19,487,680,354.80
  6. Step 6: Final answer
    x = 15,218,107,015.45

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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.