Home / 391,165,205.40-586,747,808.10-236,197,009.80

Finding the Fourth Proportional to 391,165,205.40, 586,747,808.10 and 236,197,009.80

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Solution

The fourth proportional to 391,165,205.40, 586,747,808.10 and 236,197,009.80 is: 354,295,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,165,205.40 : 586,747,808.10 = 236,197,009.80 : x
  2. Step 2: Convert to fraction form
    391,165,205.40/586,747,808.10 = 236,197,009.80/x
  3. Step 3: Cross multiply
    391,165,205.40x = 586,747,808.10 × 236,197,009.80
  4. Step 4: Simplify right side
    391,165,205.40x = 138,588,077,779,924,240
  5. Step 5: Solve for x
    x = 138,588,077,779,924,240/391,165,205.40
  6. Step 6: Final answer
    x = 354,295,514.70

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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.