Home / 579,403,622.80-869,105,434.20-307,305,830.80

Finding the Fourth Proportional to 579,403,622.80, 869,105,434.20 and 307,305,830.80

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Solution

The fourth proportional to 579,403,622.80, 869,105,434.20 and 307,305,830.80 is: 460,958,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,403,622.80 : 869,105,434.20 = 307,305,830.80 : x
  2. Step 2: Convert to fraction form
    579,403,622.80/869,105,434.20 = 307,305,830.80/x
  3. Step 3: Cross multiply
    579,403,622.80x = 869,105,434.20 × 307,305,830.80
  4. Step 4: Simplify right side
    579,403,622.80x = 267,081,167,509,625,760
  5. Step 5: Solve for x
    x = 267,081,167,509,625,760/579,403,622.80
  6. Step 6: Final answer
    x = 460,958,746.20

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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.