Home / 39,690,488,932.22-59,547,350,978.67-12,798,515,889.86

Finding the Fourth Proportional to 39,690,488,932.22, 59,547,350,978.67 and 12,798,515,889.86

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Solution

The fourth proportional to 39,690,488,932.22, 59,547,350,978.67 and 12,798,515,889.86 is: 19,201,520,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690,488,932.22 : 59,547,350,978.67 = 12,798,515,889.86 : x
  2. Step 2: Convert to fraction form
    39,690,488,932.22/59,547,350,978.67 = 12,798,515,889.86/x
  3. Step 3: Cross multiply
    39,690,488,932.22x = 59,547,350,978.67 × 12,798,515,889.86
  4. Step 4: Simplify right side
    39,690,488,932.22x = 762,117,717,699,578,429,440
  5. Step 5: Solve for x
    x = 762,117,717,699,578,429,440/39,690,488,932.22
  6. Step 6: Final answer
    x = 19,201,520,016.57

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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.