Home / 486,034,434.35-670,655,366.92-295,196,143.18

Finding the Fourth Proportional to 486,034,434.35, 670,655,366.92 and 295,196,143.18

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Solution

The fourth proportional to 486,034,434.35, 670,655,366.92 and 295,196,143.18 is: 407,326,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,034,434.35 : 670,655,366.92 = 295,196,143.18 : x
  2. Step 2: Convert to fraction form
    486,034,434.35/670,655,366.92 = 295,196,143.18/x
  3. Step 3: Cross multiply
    486,034,434.35x = 670,655,366.92 × 295,196,143.18
  4. Step 4: Simplify right side
    486,034,434.35x = 197,974,877,715,337,152
  5. Step 5: Solve for x
    x = 197,974,877,715,337,152/486,034,434.35
  6. Step 6: Final answer
    x = 407,326,855.31

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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.