Home / 6,634,390,790.78-9,952,983,827.40-2,152,135,437.90

Finding the Fourth Proportional to 6,634,390,790.78, 9,952,983,827.40 and 2,152,135,437.90

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Solution

The fourth proportional to 6,634,390,790.78, 9,952,983,827.40 and 2,152,135,437.90 is: 3,228,656,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634,390,790.78 : 9,952,983,827.40 = 2,152,135,437.90 : x
  2. Step 2: Convert to fraction form
    6,634,390,790.78/9,952,983,827.40 = 2,152,135,437.90/x
  3. Step 3: Cross multiply
    6,634,390,790.78x = 9,952,983,827.40 × 2,152,135,437.90
  4. Step 4: Simplify right side
    6,634,390,790.78x = 21,420,169,207,793,115,136
  5. Step 5: Solve for x
    x = 21,420,169,207,793,115,136/6,634,390,790.78
  6. Step 6: Final answer
    x = 3,228,656,538.83

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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.