Home / 626,553,392,925.82-939,828,916,378.80-196,323,413,787.69

Finding the Fourth Proportional to 626,553,392,925.82, 939,828,916,378.80 and 196,323,413,787.69

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Solution

The fourth proportional to 626,553,392,925.82, 939,828,916,378.80 and 196,323,413,787.69 is: 294,484,753,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,553,392,925.82 : 939,828,916,378.80 = 196,323,413,787.69 : x
  2. Step 2: Convert to fraction form
    626,553,392,925.82/939,828,916,378.80 = 196,323,413,787.69/x
  3. Step 3: Cross multiply
    626,553,392,925.82x = 939,828,916,378.80 × 196,323,413,787.69
  4. Step 4: Simplify right side
    626,553,392,925.82x = 184,510,421,239,871,462,965,248
  5. Step 5: Solve for x
    x = 184,510,421,239,871,462,965,248/626,553,392,925.82
  6. Step 6: Final answer
    x = 294,484,753,132.15

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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.