Home / 784,299,332.25-1,082,333,076.08-431,874,483.39

Finding the Fourth Proportional to 784,299,332.25, 1,082,333,076.08 and 431,874,483.39

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Solution

The fourth proportional to 784,299,332.25, 1,082,333,076.08 and 431,874,483.39 is: 595,986,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,299,332.25 : 1,082,333,076.08 = 431,874,483.39 : x
  2. Step 2: Convert to fraction form
    784,299,332.25/1,082,333,076.08 = 431,874,483.39/x
  3. Step 3: Cross multiply
    784,299,332.25x = 1,082,333,076.08 × 431,874,483.39
  4. Step 4: Simplify right side
    784,299,332.25x = 467,432,038,085,800,192
  5. Step 5: Solve for x
    x = 467,432,038,085,800,192/784,299,332.25
  6. Step 6: Final answer
    x = 595,986,785.74

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.