Home / 666,164,889.60-998,653,814.73-316,195,047.60

Finding the Fourth Proportional to 666,164,889.60, 998,653,814.73 and 316,195,047.60

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Solution

The fourth proportional to 666,164,889.60, 998,653,814.73 and 316,195,047.60 is: 474,010,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,164,889.60 : 998,653,814.73 = 316,195,047.60 : x
  2. Step 2: Convert to fraction form
    666,164,889.60/998,653,814.73 = 316,195,047.60/x
  3. Step 3: Cross multiply
    666,164,889.60x = 998,653,814.73 × 316,195,047.60
  4. Step 4: Simplify right side
    666,164,889.60x = 315,769,390,484,473,984
  5. Step 5: Solve for x
    x = 315,769,390,484,473,984/666,164,889.60
  6. Step 6: Final answer
    x = 474,010,857.39

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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.