Home / 486,034,434.85-670,655,367.61-295,196,143.68

Finding the Fourth Proportional to 486,034,434.85, 670,655,367.61 and 295,196,143.68

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Solution

The fourth proportional to 486,034,434.85, 670,655,367.61 and 295,196,143.68 is: 407,326,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,034,434.85 : 670,655,367.61 = 295,196,143.68 : x
  2. Step 2: Convert to fraction form
    486,034,434.85/670,655,367.61 = 295,196,143.68/x
  3. Step 3: Cross multiply
    486,034,434.85x = 670,655,367.61 × 295,196,143.68
  4. Step 4: Simplify right side
    486,034,434.85x = 197,974,878,256,764,800
  5. Step 5: Solve for x
    x = 197,974,878,256,764,800/486,034,434.85
  6. Step 6: Final answer
    x = 407,326,856.00

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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.