Home / 486,435,417.39-729,674,952.35-158,930,884.35

Finding the Fourth Proportional to 486,435,417.39, 729,674,952.35 and 158,930,884.35

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Solution

The fourth proportional to 486,435,417.39, 729,674,952.35 and 158,930,884.35 is: 238,403,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,435,417.39 : 729,674,952.35 = 158,930,884.35 : x
  2. Step 2: Convert to fraction form
    486,435,417.39/729,674,952.35 = 158,930,884.35/x
  3. Step 3: Cross multiply
    486,435,417.39x = 729,674,952.35 × 158,930,884.35
  4. Step 4: Simplify right side
    486,435,417.39x = 115,967,885,464,234,960
  5. Step 5: Solve for x
    x = 115,967,885,464,234,960/486,435,417.39
  6. Step 6: Final answer
    x = 238,403,457.72

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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.