Home / 914,587,320.50-1,262,130,500.44-518,110,309.52

Finding the Fourth Proportional to 914,587,320.50, 1,262,130,500.44 and 518,110,309.52

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Solution

The fourth proportional to 914,587,320.50, 1,262,130,500.44 and 518,110,309.52 is: 714,992,226.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,587,320.50 : 1,262,130,500.44 = 518,110,309.52 : x
  2. Step 2: Convert to fraction form
    914,587,320.50/1,262,130,500.44 = 518,110,309.52/x
  3. Step 3: Cross multiply
    914,587,320.50x = 1,262,130,500.44 × 518,110,309.52
  4. Step 4: Simplify right side
    914,587,320.50x = 653,922,824,237,600,896
  5. Step 5: Solve for x
    x = 653,922,824,237,600,896/914,587,320.50
  6. Step 6: Final answer
    x = 714,992,226.09

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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.