Home / 340,368,670.36-510,165,719.70-207,127,657.60

Finding the Fourth Proportional to 340,368,670.36, 510,165,719.70 and 207,127,657.60

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Solution

The fourth proportional to 340,368,670.36, 510,165,719.70 and 207,127,657.60 is: 310,455,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,368,670.36 : 510,165,719.70 = 207,127,657.60 : x
  2. Step 2: Convert to fraction form
    340,368,670.36/510,165,719.70 = 207,127,657.60/x
  3. Step 3: Cross multiply
    340,368,670.36x = 510,165,719.70 × 207,127,657.60
  4. Step 4: Simplify right side
    340,368,670.36x = 105,669,430,509,279,168
  5. Step 5: Solve for x
    x = 105,669,430,509,279,168/340,368,670.36
  6. Step 6: Final answer
    x = 310,455,807.81

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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.