Home / 289,708,576.40-434,562,864.60-267,537,645.20

Finding the Fourth Proportional to 289,708,576.40, 434,562,864.60 and 267,537,645.20

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Solution

The fourth proportional to 289,708,576.40, 434,562,864.60 and 267,537,645.20 is: 401,306,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,708,576.40 : 434,562,864.60 = 267,537,645.20 : x
  2. Step 2: Convert to fraction form
    289,708,576.40/434,562,864.60 = 267,537,645.20/x
  3. Step 3: Cross multiply
    289,708,576.40x = 434,562,864.60 × 267,537,645.20
  4. Step 4: Simplify right side
    289,708,576.40x = 116,261,925,486,450,448
  5. Step 5: Solve for x
    x = 116,261,925,486,450,448/289,708,576.40
  6. Step 6: Final answer
    x = 401,306,467.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.