Home / 486,034,432.85-670,655,364.85-295,196,141.68

Finding the Fourth Proportional to 486,034,432.85, 670,655,364.85 and 295,196,141.68

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Solution

The fourth proportional to 486,034,432.85, 670,655,364.85 and 295,196,141.68 is: 407,326,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,034,432.85 : 670,655,364.85 = 295,196,141.68 : x
  2. Step 2: Convert to fraction form
    486,034,432.85/670,655,364.85 = 295,196,141.68/x
  3. Step 3: Cross multiply
    486,034,432.85x = 670,655,364.85 × 295,196,141.68
  4. Step 4: Simplify right side
    486,034,432.85x = 197,974,876,100,400,160
  5. Step 5: Solve for x
    x = 197,974,876,100,400,160/486,034,432.85
  6. Step 6: Final answer
    x = 407,326,853.24

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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.