Home / 492,034,854.60-679,009,321.80-269,030,927.88

Finding the Fourth Proportional to 492,034,854.60, 679,009,321.80 and 269,030,927.88

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Solution

The fourth proportional to 492,034,854.60, 679,009,321.80 and 269,030,927.88 is: 371,263,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,854.60 : 679,009,321.80 = 269,030,927.88 : x
  2. Step 2: Convert to fraction form
    492,034,854.60/679,009,321.80 = 269,030,927.88/x
  3. Step 3: Cross multiply
    492,034,854.60x = 679,009,321.80 × 269,030,927.88
  4. Step 4: Simplify right side
    492,034,854.60x = 182,674,507,883,023,488
  5. Step 5: Solve for x
    x = 182,674,507,883,023,488/492,034,854.60
  6. Step 6: Final answer
    x = 371,263,348.88

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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.