Home / 309,120,534.40-463,680,801.60-165,793,302.40

Finding the Fourth Proportional to 309,120,534.40, 463,680,801.60 and 165,793,302.40

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Solution

The fourth proportional to 309,120,534.40, 463,680,801.60 and 165,793,302.40 is: 248,689,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,120,534.40 : 463,680,801.60 = 165,793,302.40 : x
  2. Step 2: Convert to fraction form
    309,120,534.40/463,680,801.60 = 165,793,302.40/x
  3. Step 3: Cross multiply
    309,120,534.40x = 463,680,801.60 × 165,793,302.40
  4. Step 4: Simplify right side
    309,120,534.40x = 76,875,171,356,743,216
  5. Step 5: Solve for x
    x = 76,875,171,356,743,216/309,120,534.40
  6. Step 6: Final answer
    x = 248,689,953.60

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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.