Home / 2,312,441,139.60-3,191,086,205.45-1,308,837,159.26

Finding the Fourth Proportional to 2,312,441,139.60, 3,191,086,205.45 and 1,308,837,159.26

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Solution

The fourth proportional to 2,312,441,139.60, 3,191,086,205.45 and 1,308,837,159.26 is: 1,806,148,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,441,139.60 : 3,191,086,205.45 = 1,308,837,159.26 : x
  2. Step 2: Convert to fraction form
    2,312,441,139.60/3,191,086,205.45 = 1,308,837,159.26/x
  3. Step 3: Cross multiply
    2,312,441,139.60x = 3,191,086,205.45 × 1,308,837,159.26
  4. Step 4: Simplify right side
    2,312,441,139.60x = 4,176,612,204,072,451,584
  5. Step 5: Solve for x
    x = 4,176,612,204,072,451,584/2,312,441,139.60
  6. Step 6: Final answer
    x = 1,806,148,546.90

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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.