Home / 282,689,952,749.84-390,111,603,553.07-154,231,488,385.28

Finding the Fourth Proportional to 282,689,952,749.84, 390,111,603,553.07 and 154,231,488,385.28

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Solution

The fourth proportional to 282,689,952,749.84, 390,111,603,553.07 and 154,231,488,385.28 is: 212,839,164,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,689,952,749.84 : 390,111,603,553.07 = 154,231,488,385.28 : x
  2. Step 2: Convert to fraction form
    282,689,952,749.84/390,111,603,553.07 = 154,231,488,385.28/x
  3. Step 3: Cross multiply
    282,689,952,749.84x = 390,111,603,553.07 × 154,231,488,385.28
  4. Step 4: Simplify right side
    282,689,952,749.84x = 60,167,493,252,358,269,304,832
  5. Step 5: Solve for x
    x = 60,167,493,252,358,269,304,832/282,689,952,749.84
  6. Step 6: Final answer
    x = 212,839,164,134.01

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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.