Home / 39,814,234,092.51-54,956,736,694.33-31,690,938,191.63

Finding the Fourth Proportional to 39,814,234,092.51, 54,956,736,694.33 and 31,690,938,191.63

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Solution

The fourth proportional to 39,814,234,092.51, 54,956,736,694.33 and 31,690,938,191.63 is: 43,743,916,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,814,234,092.51 : 54,956,736,694.33 = 31,690,938,191.63 : x
  2. Step 2: Convert to fraction form
    39,814,234,092.51/54,956,736,694.33 = 31,690,938,191.63/x
  3. Step 3: Cross multiply
    39,814,234,092.51x = 54,956,736,694.33 × 31,690,938,191.63
  4. Step 4: Simplify right side
    39,814,234,092.51x = 1,741,630,545,793,263,075,328
  5. Step 5: Solve for x
    x = 1,741,630,545,793,263,075,328/39,814,234,092.51
  6. Step 6: Final answer
    x = 43,743,916,855.13

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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.