Home / 628,992,332.80-943,488,499.20-572,557,235.20

Finding the Fourth Proportional to 628,992,332.80, 943,488,499.20 and 572,557,235.20

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Solution

The fourth proportional to 628,992,332.80, 943,488,499.20 and 572,557,235.20 is: 858,835,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,992,332.80 : 943,488,499.20 = 572,557,235.20 : x
  2. Step 2: Convert to fraction form
    628,992,332.80/943,488,499.20 = 572,557,235.20/x
  3. Step 3: Cross multiply
    628,992,332.80x = 943,488,499.20 × 572,557,235.20
  4. Step 4: Simplify right side
    628,992,332.80x = 540,201,166,544,949,504
  5. Step 5: Solve for x
    x = 540,201,166,544,949,504/628,992,332.80
  6. Step 6: Final answer
    x = 858,835,852.80

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Double scale
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Similar ratio
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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.