Home / 1,015,289,546.40-1,522,934,319.60-249,384,650.40

Finding the Fourth Proportional to 1,015,289,546.40, 1,522,934,319.60 and 249,384,650.40

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Solution

The fourth proportional to 1,015,289,546.40, 1,522,934,319.60 and 249,384,650.40 is: 374,076,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,289,546.40 : 1,522,934,319.60 = 249,384,650.40 : x
  2. Step 2: Convert to fraction form
    1,015,289,546.40/1,522,934,319.60 = 249,384,650.40/x
  3. Step 3: Cross multiply
    1,015,289,546.40x = 1,522,934,319.60 × 249,384,650.40
  4. Step 4: Simplify right side
    1,015,289,546.40x = 379,796,442,875,607,872
  5. Step 5: Solve for x
    x = 379,796,442,875,607,872/1,015,289,546.40
  6. Step 6: Final answer
    x = 374,076,975.60

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