Home / 369,484,752,030.18-509,888,936,974.40-200,512,023,198.18

Finding the Fourth Proportional to 369,484,752,030.18, 509,888,936,974.40 and 200,512,023,198.18

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Solution

The fourth proportional to 369,484,752,030.18, 509,888,936,974.40 and 200,512,023,198.18 is: 276,706,580,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,484,752,030.18 : 509,888,936,974.40 = 200,512,023,198.18 : x
  2. Step 2: Convert to fraction form
    369,484,752,030.18/509,888,936,974.40 = 200,512,023,198.18/x
  3. Step 3: Cross multiply
    369,484,752,030.18x = 509,888,936,974.40 × 200,512,023,198.18
  4. Step 4: Simplify right side
    369,484,752,030.18x = 102,238,862,359,106,240,380,928
  5. Step 5: Solve for x
    x = 102,238,862,359,106,240,380,928/369,484,752,030.18
  6. Step 6: Final answer
    x = 276,706,580,710.96

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1.5x scale

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.