Home / 539,016,711.90-808,525,067.85-470,992,263.90

Finding the Fourth Proportional to 539,016,711.90, 808,525,067.85 and 470,992,263.90

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Solution

The fourth proportional to 539,016,711.90, 808,525,067.85 and 470,992,263.90 is: 706,488,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,016,711.90 : 808,525,067.85 = 470,992,263.90 : x
  2. Step 2: Convert to fraction form
    539,016,711.90/808,525,067.85 = 470,992,263.90/x
  3. Step 3: Cross multiply
    539,016,711.90x = 808,525,067.85 × 470,992,263.90
  4. Step 4: Simplify right side
    539,016,711.90x = 380,809,052,126,572,608
  5. Step 5: Solve for x
    x = 380,809,052,126,572,608/539,016,711.90
  6. Step 6: Final answer
    x = 706,488,395.85

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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.