Home / 399,225,807.45-599,053,095.54-166,217,374.53

Finding the Fourth Proportional to 399,225,807.45, 599,053,095.54 and 166,217,374.53

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Solution

The fourth proportional to 399,225,807.45, 599,053,095.54 and 166,217,374.53 is: 249,415,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,225,807.45 : 599,053,095.54 = 166,217,374.53 : x
  2. Step 2: Convert to fraction form
    399,225,807.45/599,053,095.54 = 166,217,374.53/x
  3. Step 3: Cross multiply
    399,225,807.45x = 599,053,095.54 × 166,217,374.53
  4. Step 4: Simplify right side
    399,225,807.45x = 99,573,032,744,728,048
  5. Step 5: Solve for x
    x = 99,573,032,744,728,048/399,225,807.45
  6. Step 6: Final answer
    x = 249,415,320.57

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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.