Home / 399,744,011.10-599,616,016.65-308,932,772.70

Finding the Fourth Proportional to 399,744,011.10, 599,616,016.65 and 308,932,772.70

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Solution

The fourth proportional to 399,744,011.10, 599,616,016.65 and 308,932,772.70 is: 463,399,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,744,011.10 : 599,616,016.65 = 308,932,772.70 : x
  2. Step 2: Convert to fraction form
    399,744,011.10/599,616,016.65 = 308,932,772.70/x
  3. Step 3: Cross multiply
    399,744,011.10x = 599,616,016.65 × 308,932,772.70
  4. Step 4: Simplify right side
    399,744,011.10x = 185,241,038,579,013,856
  5. Step 5: Solve for x
    x = 185,241,038,579,013,856/399,744,011.10
  6. Step 6: Final answer
    x = 463,399,159.05

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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.