Home / 13,922,346,510.90-19,212,840,257.66-7,578,762,501.33

Finding the Fourth Proportional to 13,922,346,510.90, 19,212,840,257.66 and 7,578,762,501.33

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Solution

The fourth proportional to 13,922,346,510.90, 19,212,840,257.66 and 7,578,762,501.33 is: 10,458,693,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,346,510.90 : 19,212,840,257.66 = 7,578,762,501.33 : x
  2. Step 2: Convert to fraction form
    13,922,346,510.90/19,212,840,257.66 = 7,578,762,501.33/x
  3. Step 3: Cross multiply
    13,922,346,510.90x = 19,212,840,257.66 × 7,578,762,501.33
  4. Step 4: Simplify right side
    13,922,346,510.90x = 145,609,553,288,797,028,352
  5. Step 5: Solve for x
    x = 145,609,553,288,797,028,352/13,922,346,510.90
  6. Step 6: Final answer
    x = 10,458,693,380.08

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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.