Home / 1,220,620,203.20-1,830,930,304.88-358,977,195.20

Finding the Fourth Proportional to 1,220,620,203.20, 1,830,930,304.88 and 358,977,195.20

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Solution

The fourth proportional to 1,220,620,203.20, 1,830,930,304.88 and 358,977,195.20 is: 538,465,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,620,203.20 : 1,830,930,304.88 = 358,977,195.20 : x
  2. Step 2: Convert to fraction form
    1,220,620,203.20/1,830,930,304.88 = 358,977,195.20/x
  3. Step 3: Cross multiply
    1,220,620,203.20x = 1,830,930,304.88 × 358,977,195.20
  4. Step 4: Simplify right side
    1,220,620,203.20x = 657,262,225,452,503,296
  5. Step 5: Solve for x
    x = 657,262,225,452,503,296/1,220,620,203.20
  6. Step 6: Final answer
    x = 538,465,792.82

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Double scale
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1.5x scale

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.