Home / 825,637,374.40-1,139,123,066.80-468,346,265.60

Finding the Fourth Proportional to 825,637,374.40, 1,139,123,066.80 and 468,346,265.60

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Solution

The fourth proportional to 825,637,374.40, 1,139,123,066.80 and 468,346,265.60 is: 646,172,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,637,374.40 : 1,139,123,066.80 = 468,346,265.60 : x
  2. Step 2: Convert to fraction form
    825,637,374.40/1,139,123,066.80 = 468,346,265.60/x
  3. Step 3: Cross multiply
    825,637,374.40x = 1,139,123,066.80 × 468,346,265.60
  4. Step 4: Simplify right side
    825,637,374.40x = 533,504,034,394,599,360
  5. Step 5: Solve for x
    x = 533,504,034,394,599,360/825,637,374.40
  6. Step 6: Final answer
    x = 646,172,340.23

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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.