Home / 470,617,478.22-706,012,407.30-194,117,858.47

Finding the Fourth Proportional to 470,617,478.22, 706,012,407.30 and 194,117,858.47

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Solution

The fourth proportional to 470,617,478.22, 706,012,407.30 and 194,117,858.47 is: 291,212,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,617,478.22 : 706,012,407.30 = 194,117,858.47 : x
  2. Step 2: Convert to fraction form
    470,617,478.22/706,012,407.30 = 194,117,858.47/x
  3. Step 3: Cross multiply
    470,617,478.22x = 706,012,407.30 × 194,117,858.47
  4. Step 4: Simplify right side
    470,617,478.22x = 137,049,616,554,795,328
  5. Step 5: Solve for x
    x = 137,049,616,554,795,328/470,617,478.22
  6. Step 6: Final answer
    x = 291,212,338.89

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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.