Home / 414,835,681.76-572,496,199.08-229,192,711.68

Finding the Fourth Proportional to 414,835,681.76, 572,496,199.08 and 229,192,711.68

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Solution

The fourth proportional to 414,835,681.76, 572,496,199.08 and 229,192,711.68 is: 316,298,626.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,835,681.76 : 572,496,199.08 = 229,192,711.68 : x
  2. Step 2: Convert to fraction form
    414,835,681.76/572,496,199.08 = 229,192,711.68/x
  3. Step 3: Cross multiply
    414,835,681.76x = 572,496,199.08 × 229,192,711.68
  4. Step 4: Simplify right side
    414,835,681.76x = 131,211,956,293,638,336
  5. Step 5: Solve for x
    x = 131,211,956,293,638,336/414,835,681.76
  6. Step 6: Final answer
    x = 316,298,626.33

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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.