Home / 450,609,425.63-621,832,776.96-249,665,567.15

Finding the Fourth Proportional to 450,609,425.63, 621,832,776.96 and 249,665,567.15

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Solution

The fourth proportional to 450,609,425.63, 621,832,776.96 and 249,665,567.15 is: 344,533,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,609,425.63 : 621,832,776.96 = 249,665,567.15 : x
  2. Step 2: Convert to fraction form
    450,609,425.63/621,832,776.96 = 249,665,567.15/x
  3. Step 3: Cross multiply
    450,609,425.63x = 621,832,776.96 × 249,665,567.15
  4. Step 4: Simplify right side
    450,609,425.63x = 155,250,232,934,668,672
  5. Step 5: Solve for x
    x = 155,250,232,934,668,672/450,609,425.63
  6. Step 6: Final answer
    x = 344,533,922.52

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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.