Home / 977,132,354.10-1,465,911,107.55-321,971,889.30

Finding the Fourth Proportional to 977,132,354.10, 1,465,911,107.55 and 321,971,889.30

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Solution

The fourth proportional to 977,132,354.10, 1,465,911,107.55 and 321,971,889.30 is: 483,027,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,132,354.10 : 1,465,911,107.55 = 321,971,889.30 : x
  2. Step 2: Convert to fraction form
    977,132,354.10/1,465,911,107.55 = 321,971,889.30/x
  3. Step 3: Cross multiply
    977,132,354.10x = 1,465,911,107.55 × 321,971,889.30
  4. Step 4: Simplify right side
    977,132,354.10x = 471,982,168,843,729,024
  5. Step 5: Solve for x
    x = 471,982,168,843,729,024/977,132,354.10
  6. Step 6: Final answer
    x = 483,027,879.35

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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.