Home / 1,510,046,651.21-2,083,928,965.55-840,991,588.79

Finding the Fourth Proportional to 1,510,046,651.21, 2,083,928,965.55 and 840,991,588.79

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Solution

The fourth proportional to 1,510,046,651.21, 2,083,928,965.55 and 840,991,588.79 is: 1,160,604,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,046,651.21 : 2,083,928,965.55 = 840,991,588.79 : x
  2. Step 2: Convert to fraction form
    1,510,046,651.21/2,083,928,965.55 = 840,991,588.79/x
  3. Step 3: Cross multiply
    1,510,046,651.21x = 2,083,928,965.55 × 840,991,588.79
  4. Step 4: Simplify right side
    1,510,046,651.21x = 1,752,566,731,648,771,072
  5. Step 5: Solve for x
    x = 1,752,566,731,648,771,072/1,510,046,651.21
  6. Step 6: Final answer
    x = 1,160,604,362.95

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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.