Home / 797,385,776.40-1,196,302,613.40-388,455,267.60

Finding the Fourth Proportional to 797,385,776.40, 1,196,302,613.40 and 388,455,267.60

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Solution

The fourth proportional to 797,385,776.40, 1,196,302,613.40 and 388,455,267.60 is: 582,792,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,385,776.40 : 1,196,302,613.40 = 388,455,267.60 : x
  2. Step 2: Convert to fraction form
    797,385,776.40/1,196,302,613.40 = 388,455,267.60/x
  3. Step 3: Cross multiply
    797,385,776.40x = 1,196,302,613.40 × 388,455,267.60
  4. Step 4: Simplify right side
    797,385,776.40x = 464,710,051,818,876,416
  5. Step 5: Solve for x
    x = 464,710,051,818,876,416/797,385,776.40
  6. Step 6: Final answer
    x = 582,792,000.53

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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.