Home / 718,155,409.24-1,074,859,564.20-653,621,200.12

Finding the Fourth Proportional to 718,155,409.24, 1,074,859,564.20 and 653,621,200.12

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Solution

The fourth proportional to 718,155,409.24, 1,074,859,564.20 and 653,621,200.12 is: 978,271,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,155,409.24 : 1,074,859,564.20 = 653,621,200.12 : x
  2. Step 2: Convert to fraction form
    718,155,409.24/1,074,859,564.20 = 653,621,200.12/x
  3. Step 3: Cross multiply
    718,155,409.24x = 1,074,859,564.20 × 653,621,200.12
  4. Step 4: Simplify right side
    718,155,409.24x = 702,550,998,312,864,256
  5. Step 5: Solve for x
    x = 702,550,998,312,864,256/718,155,409.24
  6. Step 6: Final answer
    x = 978,271,540.22

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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.