Home / 309,112,006.40-463,668,009.60-165,784,774.40

Finding the Fourth Proportional to 309,112,006.40, 463,668,009.60 and 165,784,774.40

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Solution

The fourth proportional to 309,112,006.40, 463,668,009.60 and 165,784,774.40 is: 248,677,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,112,006.40 : 463,668,009.60 = 165,784,774.40 : x
  2. Step 2: Convert to fraction form
    309,112,006.40/463,668,009.60 = 165,784,774.40/x
  3. Step 3: Cross multiply
    309,112,006.40x = 463,668,009.60 × 165,784,774.40
  4. Step 4: Simplify right side
    309,112,006.40x = 76,869,096,368,033,040
  5. Step 5: Solve for x
    x = 76,869,096,368,033,040/309,112,006.40
  6. Step 6: Final answer
    x = 248,677,161.60

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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.