Home / 700,347,665.03-966,478,958.73-382,809,996.36

Finding the Fourth Proportional to 700,347,665.03, 966,478,958.73 and 382,809,996.36

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Solution

The fourth proportional to 700,347,665.03, 966,478,958.73 and 382,809,996.36 is: 528,277,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,347,665.03 : 966,478,958.73 = 382,809,996.36 : x
  2. Step 2: Convert to fraction form
    700,347,665.03/966,478,958.73 = 382,809,996.36/x
  3. Step 3: Cross multiply
    700,347,665.03x = 966,478,958.73 × 382,809,996.36
  4. Step 4: Simplify right side
    700,347,665.03x = 369,977,806,673,447,936
  5. Step 5: Solve for x
    x = 369,977,806,673,447,936/700,347,665.03
  6. Step 6: Final answer
    x = 528,277,347.31

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1.5x scale

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.