Home / 389,634,844,486.72-584,043,143,610.90-131,095,838,504.52

Finding the Fourth Proportional to 389,634,844,486.72, 584,043,143,610.90 and 131,095,838,504.52

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Solution

The fourth proportional to 389,634,844,486.72, 584,043,143,610.90 and 131,095,838,504.52 is: 196,506,104,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,634,844,486.72 : 584,043,143,610.90 = 131,095,838,504.52 : x
  2. Step 2: Convert to fraction form
    389,634,844,486.72/584,043,143,610.90 = 131,095,838,504.52/x
  3. Step 3: Cross multiply
    389,634,844,486.72x = 584,043,143,610.90 × 131,095,838,504.52
  4. Step 4: Simplify right side
    389,634,844,486.72x = 76,565,625,634,486,730,358,784
  5. Step 5: Solve for x
    x = 76,565,625,634,486,730,358,784/389,634,844,486.72
  6. Step 6: Final answer
    x = 196,506,104,928.45

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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.