Home / 12,568,208,594.69-18,854,249,994.54-4,285,158,539.87

Finding the Fourth Proportional to 12,568,208,594.69, 18,854,249,994.54 and 4,285,158,539.87

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Solution

The fourth proportional to 12,568,208,594.69, 18,854,249,994.54 and 4,285,158,539.87 is: 6,428,398,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568,208,594.69 : 18,854,249,994.54 = 4,285,158,539.87 : x
  2. Step 2: Convert to fraction form
    12,568,208,594.69/18,854,249,994.54 = 4,285,158,539.87/x
  3. Step 3: Cross multiply
    12,568,208,594.69x = 18,854,249,994.54 × 4,285,158,539.87
  4. Step 4: Simplify right side
    12,568,208,594.69x = 80,793,450,376,852,717,568
  5. Step 5: Solve for x
    x = 80,793,450,376,852,717,568/12,568,208,594.69
  6. Step 6: Final answer
    x = 6,428,398,269.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.