Home / 772,377,683.04-1,065,919,497.84-479,116,729.44

Finding the Fourth Proportional to 772,377,683.04, 1,065,919,497.84 and 479,116,729.44

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Solution

The fourth proportional to 772,377,683.04, 1,065,919,497.84 and 479,116,729.44 is: 661,204,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,377,683.04 : 1,065,919,497.84 = 479,116,729.44 : x
  2. Step 2: Convert to fraction form
    772,377,683.04/1,065,919,497.84 = 479,116,729.44/x
  3. Step 3: Cross multiply
    772,377,683.04x = 1,065,919,497.84 × 479,116,729.44
  4. Step 4: Simplify right side
    772,377,683.04x = 510,699,863,651,427,968
  5. Step 5: Solve for x
    x = 510,699,863,651,427,968/772,377,683.04
  6. Step 6: Final answer
    x = 661,204,841.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.