Home / 13,922,346,514.15-19,212,840,262.14-7,578,762,504.58

Finding the Fourth Proportional to 13,922,346,514.15, 19,212,840,262.14 and 7,578,762,504.58

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Solution

The fourth proportional to 13,922,346,514.15, 19,212,840,262.14 and 7,578,762,504.58 is: 10,458,693,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,346,514.15 : 19,212,840,262.14 = 7,578,762,504.58 : x
  2. Step 2: Convert to fraction form
    13,922,346,514.15/19,212,840,262.14 = 7,578,762,504.58/x
  3. Step 3: Cross multiply
    13,922,346,514.15x = 19,212,840,262.14 × 7,578,762,504.58
  4. Step 4: Simplify right side
    13,922,346,514.15x = 145,609,553,385,191,604,224
  5. Step 5: Solve for x
    x = 145,609,553,385,191,604,224/13,922,346,514.15
  6. Step 6: Final answer
    x = 10,458,693,384.57

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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.