Home / 646,692,561-970,119,514.13-253,168,555.19

Finding the Fourth Proportional to 646,692,561, 970,119,514.13 and 253,168,555.19

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Solution

The fourth proportional to 646,692,561, 970,119,514.13 and 253,168,555.19 is: 379,784,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,692,561 : 970,119,514.13 = 253,168,555.19 : x
  2. Step 2: Convert to fraction form
    646,692,561/970,119,514.13 = 253,168,555.19/x
  3. Step 3: Cross multiply
    646,692,561x = 970,119,514.13 × 253,168,555.19
  4. Step 4: Simplify right side
    646,692,561x = 245,603,755,747,800,448
  5. Step 5: Solve for x
    x = 245,603,755,747,800,448/646,692,561
  6. Step 6: Final answer
    x = 379,784,414.67

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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.