Home / 634,660,415.36-947,716,809.92-518,306,590.56

Finding the Fourth Proportional to 634,660,415.36, 947,716,809.92 and 518,306,590.56

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Solution

The fourth proportional to 634,660,415.36, 947,716,809.92 and 518,306,590.56 is: 773,969,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,660,415.36 : 947,716,809.92 = 518,306,590.56 : x
  2. Step 2: Convert to fraction form
    634,660,415.36/947,716,809.92 = 518,306,590.56/x
  3. Step 3: Cross multiply
    634,660,415.36x = 947,716,809.92 × 518,306,590.56
  4. Step 4: Simplify right side
    634,660,415.36x = 491,207,868,566,034,752
  5. Step 5: Solve for x
    x = 491,207,868,566,034,752/634,660,415.36
  6. Step 6: Final answer
    x = 773,969,601.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.