Home / 4,990,372,295.40-7,485,558,443.10-1,310,249,658.60

Finding the Fourth Proportional to 4,990,372,295.40, 7,485,558,443.10 and 1,310,249,658.60

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Solution

The fourth proportional to 4,990,372,295.40, 7,485,558,443.10 and 1,310,249,658.60 is: 1,965,374,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,372,295.40 : 7,485,558,443.10 = 1,310,249,658.60 : x
  2. Step 2: Convert to fraction form
    4,990,372,295.40/7,485,558,443.10 = 1,310,249,658.60/x
  3. Step 3: Cross multiply
    4,990,372,295.40x = 7,485,558,443.10 × 1,310,249,658.60
  4. Step 4: Simplify right side
    4,990,372,295.40x = 9,807,950,394,502,121,472
  5. Step 5: Solve for x
    x = 9,807,950,394,502,121,472/4,990,372,295.40
  6. Step 6: Final answer
    x = 1,965,374,487.90

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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.