Home / 517,429,118.85-776,143,678.28-517,429,118.85

Finding the Fourth Proportional to 517,429,118.85, 776,143,678.28 and 517,429,118.85

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Solution

The fourth proportional to 517,429,118.85, 776,143,678.28 and 517,429,118.85 is: 776,143,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,429,118.85 : 776,143,678.28 = 517,429,118.85 : x
  2. Step 2: Convert to fraction form
    517,429,118.85/776,143,678.28 = 517,429,118.85/x
  3. Step 3: Cross multiply
    517,429,118.85x = 776,143,678.28 × 517,429,118.85
  4. Step 4: Simplify right side
    517,429,118.85x = 401,599,339,550,831,168
  5. Step 5: Solve for x
    x = 401,599,339,550,831,168/517,429,118.85
  6. Step 6: Final answer
    x = 776,143,678.28

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Double scale
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Similar ratio
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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.