Home / 289,297,815-399,234,196.38-170,246,720.28

Finding the Fourth Proportional to 289,297,815, 399,234,196.38 and 170,246,720.28

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Solution

The fourth proportional to 289,297,815, 399,234,196.38 and 170,246,720.28 is: 234,942,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,297,815 : 399,234,196.38 = 170,246,720.28 : x
  2. Step 2: Convert to fraction form
    289,297,815/399,234,196.38 = 170,246,720.28/x
  3. Step 3: Cross multiply
    289,297,815x = 399,234,196.38 × 170,246,720.28
  4. Step 4: Simplify right side
    289,297,815x = 67,968,312,557,316,448
  5. Step 5: Solve for x
    x = 67,968,312,557,316,448/289,297,815
  6. Step 6: Final answer
    x = 234,942,364.00

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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.