Home / 28,754,112,191.40-39,682,207,642.86-16,067,155,830.12

Finding the Fourth Proportional to 28,754,112,191.40, 39,682,207,642.86 and 16,067,155,830.12

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Solution

The fourth proportional to 28,754,112,191.40, 39,682,207,642.86 and 16,067,155,830.12 is: 22,173,531,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754,112,191.40 : 39,682,207,642.86 = 16,067,155,830.12 : x
  2. Step 2: Convert to fraction form
    28,754,112,191.40/39,682,207,642.86 = 16,067,155,830.12/x
  3. Step 3: Cross multiply
    28,754,112,191.40x = 39,682,207,642.86 × 16,067,155,830.12
  4. Step 4: Simplify right side
    28,754,112,191.40x = 637,580,213,881,010,520,064
  5. Step 5: Solve for x
    x = 637,580,213,881,010,520,064/28,754,112,191.40
  6. Step 6: Final answer
    x = 22,173,531,550.44

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Double scale
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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.