Home / 450,169,716.56-621,220,863.24-249,235,543.76

Finding the Fourth Proportional to 450,169,716.56, 621,220,863.24 and 249,235,543.76

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Solution

The fourth proportional to 450,169,716.56, 621,220,863.24 and 249,235,543.76 is: 343,937,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,169,716.56 : 621,220,863.24 = 249,235,543.76 : x
  2. Step 2: Convert to fraction form
    450,169,716.56/621,220,863.24 = 249,235,543.76/x
  3. Step 3: Cross multiply
    450,169,716.56x = 621,220,863.24 × 249,235,543.76
  4. Step 4: Simplify right side
    450,169,716.56x = 154,830,319,644,677,984
  5. Step 5: Solve for x
    x = 154,830,319,644,677,984/450,169,716.56
  6. Step 6: Final answer
    x = 343,937,661.62

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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.