Home / 714,147,829.20-1,071,221,743.80-196,658,139.60

Finding the Fourth Proportional to 714,147,829.20, 1,071,221,743.80 and 196,658,139.60

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Solution

The fourth proportional to 714,147,829.20, 1,071,221,743.80 and 196,658,139.60 is: 294,987,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,147,829.20 : 1,071,221,743.80 = 196,658,139.60 : x
  2. Step 2: Convert to fraction form
    714,147,829.20/1,071,221,743.80 = 196,658,139.60/x
  3. Step 3: Cross multiply
    714,147,829.20x = 1,071,221,743.80 × 196,658,139.60
  4. Step 4: Simplify right side
    714,147,829.20x = 210,664,475,234,775,808
  5. Step 5: Solve for x
    x = 210,664,475,234,775,808/714,147,829.20
  6. Step 6: Final answer
    x = 294,987,209.40

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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.