Home / 522,029,916.66-720,420,225.35-299,054,692.38

Finding the Fourth Proportional to 522,029,916.66, 720,420,225.35 and 299,054,692.38

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Solution

The fourth proportional to 522,029,916.66, 720,420,225.35 and 299,054,692.38 is: 412,706,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,029,916.66 : 720,420,225.35 = 299,054,692.38 : x
  2. Step 2: Convert to fraction form
    522,029,916.66/720,420,225.35 = 299,054,692.38/x
  3. Step 3: Cross multiply
    522,029,916.66x = 720,420,225.35 × 299,054,692.38
  4. Step 4: Simplify right side
    522,029,916.66x = 215,445,048,874,879,264
  5. Step 5: Solve for x
    x = 215,445,048,874,879,264/522,029,916.66
  6. Step 6: Final answer
    x = 412,706,325.82

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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.