Home / 1,357,149,241.77-1,873,017,606.15-821,595,988.80

Finding the Fourth Proportional to 1,357,149,241.77, 1,873,017,606.15 and 821,595,988.80

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Solution

The fourth proportional to 1,357,149,241.77, 1,873,017,606.15 and 821,595,988.80 is: 1,133,894,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,149,241.77 : 1,873,017,606.15 = 821,595,988.80 : x
  2. Step 2: Convert to fraction form
    1,357,149,241.77/1,873,017,606.15 = 821,595,988.80/x
  3. Step 3: Cross multiply
    1,357,149,241.77x = 1,873,017,606.15 × 821,595,988.80
  4. Step 4: Simplify right side
    1,357,149,241.77x = 1,538,863,752,164,618,240
  5. Step 5: Solve for x
    x = 1,538,863,752,164,618,240/1,357,149,241.77
  6. Step 6: Final answer
    x = 1,133,894,272.50

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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.