Home / 914,587,326.83-1,262,130,509.19-518,110,315.87

Finding the Fourth Proportional to 914,587,326.83, 1,262,130,509.19 and 518,110,315.87

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Solution

The fourth proportional to 914,587,326.83, 1,262,130,509.19 and 518,110,315.87 is: 714,992,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,587,326.83 : 1,262,130,509.19 = 518,110,315.87 : x
  2. Step 2: Convert to fraction form
    914,587,326.83/1,262,130,509.19 = 518,110,315.87/x
  3. Step 3: Cross multiply
    914,587,326.83x = 1,262,130,509.19 × 518,110,315.87
  4. Step 4: Simplify right side
    914,587,326.83x = 653,922,836,786,188,160
  5. Step 5: Solve for x
    x = 653,922,836,786,188,160/914,587,326.83
  6. Step 6: Final answer
    x = 714,992,234.86

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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.