Home / 289,583,529,349.54-399,619,003,690.99-167,653,404,963.95

Finding the Fourth Proportional to 289,583,529,349.54, 399,619,003,690.99 and 167,653,404,963.95

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Solution

The fourth proportional to 289,583,529,349.54, 399,619,003,690.99 and 167,653,404,963.95 is: 231,358,070,701.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,583,529,349.54 : 399,619,003,690.99 = 167,653,404,963.95 : x
  2. Step 2: Convert to fraction form
    289,583,529,349.54/399,619,003,690.99 = 167,653,404,963.95/x
  3. Step 3: Cross multiply
    289,583,529,349.54x = 399,619,003,690.99 × 167,653,404,963.95
  4. Step 4: Simplify right side
    289,583,529,349.54x = 66,997,486,657,095,778,435,072
  5. Step 5: Solve for x
    x = 66,997,486,657,095,778,435,072/289,583,529,349.54
  6. Step 6: Final answer
    x = 231,358,070,701.00

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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.