Home / 977,132,534.60-1,465,911,378.30-321,972,069.80

Finding the Fourth Proportional to 977,132,534.60, 1,465,911,378.30 and 321,972,069.80

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Solution

The fourth proportional to 977,132,534.60, 1,465,911,378.30 and 321,972,069.80 is: 483,028,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,132,534.60 : 1,465,911,378.30 = 321,972,069.80 : x
  2. Step 2: Convert to fraction form
    977,132,534.60/1,465,911,378.30 = 321,972,069.80/x
  3. Step 3: Cross multiply
    977,132,534.60x = 1,465,911,378.30 × 321,972,069.80
  4. Step 4: Simplify right side
    977,132,534.60x = 471,982,520,614,621,824
  5. Step 5: Solve for x
    x = 471,982,520,614,621,824/977,132,534.60
  6. Step 6: Final answer
    x = 483,028,150.12

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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.