Home / 1,458,834,153.40-2,188,251,230.10-437,627,625.40

Finding the Fourth Proportional to 1,458,834,153.40, 2,188,251,230.10 and 437,627,625.40

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Solution

The fourth proportional to 1,458,834,153.40, 2,188,251,230.10 and 437,627,625.40 is: 656,441,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,834,153.40 : 2,188,251,230.10 = 437,627,625.40 : x
  2. Step 2: Convert to fraction form
    1,458,834,153.40/2,188,251,230.10 = 437,627,625.40/x
  3. Step 3: Cross multiply
    1,458,834,153.40x = 2,188,251,230.10 × 437,627,625.40
  4. Step 4: Simplify right side
    1,458,834,153.40x = 957,639,189,607,291,904
  5. Step 5: Solve for x
    x = 957,639,189,607,291,904/1,458,834,153.40
  6. Step 6: Final answer
    x = 656,441,438.10

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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.