Home / 286,887,813,637.68-395,905,333,114.08-156,678,450,788.52

Finding the Fourth Proportional to 286,887,813,637.68, 395,905,333,114.08 and 156,678,450,788.52

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Solution

The fourth proportional to 286,887,813,637.68, 395,905,333,114.08 and 156,678,450,788.52 is: 216,216,344,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,887,813,637.68 : 395,905,333,114.08 = 156,678,450,788.52 : x
  2. Step 2: Convert to fraction form
    286,887,813,637.68/395,905,333,114.08 = 156,678,450,788.52/x
  3. Step 3: Cross multiply
    286,887,813,637.68x = 395,905,333,114.08 × 156,678,450,788.52
  4. Step 4: Simplify right side
    286,887,813,637.68x = 62,029,834,251,227,002,568,704
  5. Step 5: Solve for x
    x = 62,029,834,251,227,002,568,704/286,887,813,637.68
  6. Step 6: Final answer
    x = 216,216,344,168.48

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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.