Home / 19,131,904,848.60-28,697,857,272.90-14,172,922,589.40

Finding the Fourth Proportional to 19,131,904,848.60, 28,697,857,272.90 and 14,172,922,589.40

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Solution

The fourth proportional to 19,131,904,848.60, 28,697,857,272.90 and 14,172,922,589.40 is: 21,259,383,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131,904,848.60 : 28,697,857,272.90 = 14,172,922,589.40 : x
  2. Step 2: Convert to fraction form
    19,131,904,848.60/28,697,857,272.90 = 14,172,922,589.40/x
  3. Step 3: Cross multiply
    19,131,904,848.60x = 28,697,857,272.90 × 14,172,922,589.40
  4. Step 4: Simplify right side
    19,131,904,848.60x = 406,732,509,610,461,495,296
  5. Step 5: Solve for x
    x = 406,732,509,610,461,495,296/19,131,904,848.60
  6. Step 6: Final answer
    x = 21,259,383,884.10

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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.