Home / 257,363,041,006.26-386,100,408,079.71-78,284,373,506.82

Finding the Fourth Proportional to 257,363,041,006.26, 386,100,408,079.71 and 78,284,373,506.82

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Solution

The fourth proportional to 257,363,041,006.26, 386,100,408,079.71 and 78,284,373,506.82 is: 117,443,547,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,363,041,006.26 : 386,100,408,079.71 = 78,284,373,506.82 : x
  2. Step 2: Convert to fraction form
    257,363,041,006.26/386,100,408,079.71 = 78,284,373,506.82/x
  3. Step 3: Cross multiply
    257,363,041,006.26x = 386,100,408,079.71 × 78,284,373,506.82
  4. Step 4: Simplify right side
    257,363,041,006.26x = 30,225,628,557,247,644,696,576
  5. Step 5: Solve for x
    x = 30,225,628,557,247,644,696,576/257,363,041,006.26
  6. Step 6: Final answer
    x = 117,443,547,601.35

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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.