Home / 977,132,457.60-1,465,911,262.80-321,971,992.80

Finding the Fourth Proportional to 977,132,457.60, 1,465,911,262.80 and 321,971,992.80

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Solution

The fourth proportional to 977,132,457.60, 1,465,911,262.80 and 321,971,992.80 is: 483,028,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,132,457.60 : 1,465,911,262.80 = 321,971,992.80 : x
  2. Step 2: Convert to fraction form
    977,132,457.60/1,465,911,262.80 = 321,971,992.80/x
  3. Step 3: Cross multiply
    977,132,457.60x = 1,465,911,262.80 × 321,971,992.80
  4. Step 4: Simplify right side
    977,132,457.60x = 471,982,370,551,680,512
  5. Step 5: Solve for x
    x = 471,982,370,551,680,512/977,132,457.60
  6. Step 6: Final answer
    x = 483,028,034.61

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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.