Home / 402,013,574.48-554,795,411.40-223,396,795.46

Finding the Fourth Proportional to 402,013,574.48, 554,795,411.40 and 223,396,795.46

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Solution

The fourth proportional to 402,013,574.48, 554,795,411.40 and 223,396,795.46 is: 308,296,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,013,574.48 : 554,795,411.40 = 223,396,795.46 : x
  2. Step 2: Convert to fraction form
    402,013,574.48/554,795,411.40 = 223,396,795.46/x
  3. Step 3: Cross multiply
    402,013,574.48x = 554,795,411.40 × 223,396,795.46
  4. Step 4: Simplify right side
    402,013,574.48x = 123,939,517,042,672,352
  5. Step 5: Solve for x
    x = 123,939,517,042,672,352/402,013,574.48
  6. Step 6: Final answer
    x = 308,296,845.95

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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.