Home / 13,922,346,511.90-19,212,840,259.04-7,578,762,502.33

Finding the Fourth Proportional to 13,922,346,511.90, 19,212,840,259.04 and 7,578,762,502.33

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Solution

The fourth proportional to 13,922,346,511.90, 19,212,840,259.04 and 7,578,762,502.33 is: 10,458,693,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,346,511.90 : 19,212,840,259.04 = 7,578,762,502.33 : x
  2. Step 2: Convert to fraction form
    13,922,346,511.90/19,212,840,259.04 = 7,578,762,502.33/x
  3. Step 3: Cross multiply
    13,922,346,511.90x = 19,212,840,259.04 × 7,578,762,502.33
  4. Step 4: Simplify right side
    13,922,346,511.90x = 145,609,553,318,468,567,040
  5. Step 5: Solve for x
    x = 145,609,553,318,468,567,040/13,922,346,511.90
  6. Step 6: Final answer
    x = 10,458,693,381.46

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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.