Home / 386,674,186.54-533,621,925.45-238,081,031.54

Finding the Fourth Proportional to 386,674,186.54, 533,621,925.45 and 238,081,031.54

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Solution

The fourth proportional to 386,674,186.54, 533,621,925.45 and 238,081,031.54 is: 328,558,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,674,186.54 : 533,621,925.45 = 238,081,031.54 : x
  2. Step 2: Convert to fraction form
    386,674,186.54/533,621,925.45 = 238,081,031.54/x
  3. Step 3: Cross multiply
    386,674,186.54x = 533,621,925.45 × 238,081,031.54
  4. Step 4: Simplify right side
    386,674,186.54x = 127,045,258,462,306,560
  5. Step 5: Solve for x
    x = 127,045,258,462,306,560/386,674,186.54
  6. Step 6: Final answer
    x = 328,558,933.82

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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.