Home / 450,217,500.35-621,319,568.37-249,274,373.63

Finding the Fourth Proportional to 450,217,500.35, 621,319,568.37 and 249,274,373.63

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Solution

The fourth proportional to 450,217,500.35, 621,319,568.37 and 249,274,373.63 is: 344,009,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,217,500.35 : 621,319,568.37 = 249,274,373.63 : x
  2. Step 2: Convert to fraction form
    450,217,500.35/621,319,568.37 = 249,274,373.63/x
  3. Step 3: Cross multiply
    450,217,500.35x = 621,319,568.37 × 249,274,373.63
  4. Step 4: Simplify right side
    450,217,500.35x = 154,879,046,229,493,696
  5. Step 5: Solve for x
    x = 154,879,046,229,493,696/450,217,500.35
  6. Step 6: Final answer
    x = 344,009,386.82

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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.