Home / 347,646,979.60-521,470,469.40-117,623,568.40

Finding the Fourth Proportional to 347,646,979.60, 521,470,469.40 and 117,623,568.40

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Solution

The fourth proportional to 347,646,979.60, 521,470,469.40 and 117,623,568.40 is: 176,435,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,646,979.60 : 521,470,469.40 = 117,623,568.40 : x
  2. Step 2: Convert to fraction form
    347,646,979.60/521,470,469.40 = 117,623,568.40/x
  3. Step 3: Cross multiply
    347,646,979.60x = 521,470,469.40 × 117,623,568.40
  4. Step 4: Simplify right side
    347,646,979.60x = 61,337,217,426,051,008
  5. Step 5: Solve for x
    x = 61,337,217,426,051,008/347,646,979.60
  6. Step 6: Final answer
    x = 176,435,352.60

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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.