Home / 873,690,676.01-1,310,540,913.24-291,423,323.07

Finding the Fourth Proportional to 873,690,676.01, 1,310,540,913.24 and 291,423,323.07

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Solution

The fourth proportional to 873,690,676.01, 1,310,540,913.24 and 291,423,323.07 is: 437,136,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,690,676.01 : 1,310,540,913.24 = 291,423,323.07 : x
  2. Step 2: Convert to fraction form
    873,690,676.01/1,310,540,913.24 = 291,423,323.07/x
  3. Step 3: Cross multiply
    873,690,676.01x = 1,310,540,913.24 × 291,423,323.07
  4. Step 4: Simplify right side
    873,690,676.01x = 381,922,187,960,507,904
  5. Step 5: Solve for x
    x = 381,922,187,960,507,904/873,690,676.01
  6. Step 6: Final answer
    x = 437,136,618.77

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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.