Home / 7,676,857,009.60-11,515,285,514.40-6,437,111,444.80

Finding the Fourth Proportional to 7,676,857,009.60, 11,515,285,514.40 and 6,437,111,444.80

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Solution

The fourth proportional to 7,676,857,009.60, 11,515,285,514.40 and 6,437,111,444.80 is: 9,655,667,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676,857,009.60 : 11,515,285,514.40 = 6,437,111,444.80 : x
  2. Step 2: Convert to fraction form
    7,676,857,009.60/11,515,285,514.40 = 6,437,111,444.80/x
  3. Step 3: Cross multiply
    7,676,857,009.60x = 11,515,285,514.40 × 6,437,111,444.80
  4. Step 4: Simplify right side
    7,676,857,009.60x = 74,125,176,174,883,897,344
  5. Step 5: Solve for x
    x = 74,125,176,174,883,897,344/7,676,857,009.60
  6. Step 6: Final answer
    x = 9,655,667,167.20

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1.5x scale

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.