Home / 320,359,600,292.85-442,096,686,197.05-173,872,063,958.40

Finding the Fourth Proportional to 320,359,600,292.85, 442,096,686,197.05 and 173,872,063,958.40

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Solution

The fourth proportional to 320,359,600,292.85, 442,096,686,197.05 and 173,872,063,958.40 is: 239,943,685,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,359,600,292.85 : 442,096,686,197.05 = 173,872,063,958.40 : x
  2. Step 2: Convert to fraction form
    320,359,600,292.85/442,096,686,197.05 = 173,872,063,958.40/x
  3. Step 3: Cross multiply
    320,359,600,292.85x = 442,096,686,197.05 × 173,872,063,958.40
  4. Step 4: Simplify right side
    320,359,600,292.85x = 76,868,263,298,250,171,219,968
  5. Step 5: Solve for x
    x = 76,868,263,298,250,171,219,968/320,359,600,292.85
  6. Step 6: Final answer
    x = 239,943,685,870.45

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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.