Home / 1,566,407,699.09-2,162,204,895.67-931,326,675.86

Finding the Fourth Proportional to 1,566,407,699.09, 2,162,204,895.67 and 931,326,675.86

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Solution

The fourth proportional to 1,566,407,699.09, 2,162,204,895.67 and 931,326,675.86 is: 1,285,565,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,407,699.09 : 2,162,204,895.67 = 931,326,675.86 : x
  2. Step 2: Convert to fraction form
    1,566,407,699.09/2,162,204,895.67 = 931,326,675.86/x
  3. Step 3: Cross multiply
    1,566,407,699.09x = 2,162,204,895.67 × 931,326,675.86
  4. Step 4: Simplify right side
    1,566,407,699.09x = 2,013,719,098,015,636,224
  5. Step 5: Solve for x
    x = 2,013,719,098,015,636,224/1,566,407,699.09
  6. Step 6: Final answer
    x = 1,285,565,117.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.