Home / 372,382,007.34-513,868,177.08-205,114,667.76

Finding the Fourth Proportional to 372,382,007.34, 513,868,177.08 and 205,114,667.76

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Solution

The fourth proportional to 372,382,007.34, 513,868,177.08 and 205,114,667.76 is: 283,047,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,382,007.34 : 513,868,177.08 = 205,114,667.76 : x
  2. Step 2: Convert to fraction form
    372,382,007.34/513,868,177.08 = 205,114,667.76/x
  3. Step 3: Cross multiply
    372,382,007.34x = 513,868,177.08 × 205,114,667.76
  4. Step 4: Simplify right side
    372,382,007.34x = 105,401,900,414,201,040
  5. Step 5: Solve for x
    x = 105,401,900,414,201,040/372,382,007.34
  6. Step 6: Final answer
    x = 283,047,779.80

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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.