Home / 913,795,429.60-1,371,476,965.20-368,927,999.20

Finding the Fourth Proportional to 913,795,429.60, 1,371,476,965.20 and 368,927,999.20

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Solution

The fourth proportional to 913,795,429.60, 1,371,476,965.20 and 368,927,999.20 is: 553,708,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,795,429.60 : 1,371,476,965.20 = 368,927,999.20 : x
  2. Step 2: Convert to fraction form
    913,795,429.60/1,371,476,965.20 = 368,927,999.20/x
  3. Step 3: Cross multiply
    913,795,429.60x = 1,371,476,965.20 × 368,927,999.20
  4. Step 4: Simplify right side
    913,795,429.60x = 505,976,252,720,124,032
  5. Step 5: Solve for x
    x = 505,976,252,720,124,032/913,795,429.60
  6. Step 6: Final answer
    x = 553,708,451.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.