Home / 629,860,538.40-944,790,807.60-572,464,910.40

Finding the Fourth Proportional to 629,860,538.40, 944,790,807.60 and 572,464,910.40

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Solution

The fourth proportional to 629,860,538.40, 944,790,807.60 and 572,464,910.40 is: 858,697,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,860,538.40 : 944,790,807.60 = 572,464,910.40 : x
  2. Step 2: Convert to fraction form
    629,860,538.40/944,790,807.60 = 572,464,910.40/x
  3. Step 3: Cross multiply
    629,860,538.40x = 944,790,807.60 × 572,464,910.40
  4. Step 4: Simplify right side
    629,860,538.40x = 540,859,585,019,477,632
  5. Step 5: Solve for x
    x = 540,859,585,019,477,632/629,860,538.40
  6. Step 6: Final answer
    x = 858,697,365.60

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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.