Home / 450,609,423.27-621,832,773.65-249,665,564.72

Finding the Fourth Proportional to 450,609,423.27, 621,832,773.65 and 249,665,564.72

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Solution

The fourth proportional to 450,609,423.27, 621,832,773.65 and 249,665,564.72 is: 344,533,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,609,423.27 : 621,832,773.65 = 249,665,564.72 : x
  2. Step 2: Convert to fraction form
    450,609,423.27/621,832,773.65 = 249,665,564.72/x
  3. Step 3: Cross multiply
    450,609,423.27x = 621,832,773.65 × 249,665,564.72
  4. Step 4: Simplify right side
    450,609,423.27x = 155,250,230,590,373,696
  5. Step 5: Solve for x
    x = 155,250,230,590,373,696/450,609,423.27
  6. Step 6: Final answer
    x = 344,533,919.12

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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.