Home / 13,922,346,508.41-19,212,840,254.23-7,578,762,498.84

Finding the Fourth Proportional to 13,922,346,508.41, 19,212,840,254.23 and 7,578,762,498.84

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Solution

The fourth proportional to 13,922,346,508.41, 19,212,840,254.23 and 7,578,762,498.84 is: 10,458,693,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,346,508.41 : 19,212,840,254.23 = 7,578,762,498.84 : x
  2. Step 2: Convert to fraction form
    13,922,346,508.41/19,212,840,254.23 = 7,578,762,498.84/x
  3. Step 3: Cross multiply
    13,922,346,508.41x = 19,212,840,254.23 × 7,578,762,498.84
  4. Step 4: Simplify right side
    13,922,346,508.41x = 145,609,553,214,961,893,376
  5. Step 5: Solve for x
    x = 145,609,553,214,961,893,376/13,922,346,508.41
  6. Step 6: Final answer
    x = 10,458,693,376.65

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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.