Home / 385,146,916.90-577,795,024.95-193,670,692.90

Finding the Fourth Proportional to 385,146,916.90, 577,795,024.95 and 193,670,692.90

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Solution

The fourth proportional to 385,146,916.90, 577,795,024.95 and 193,670,692.90 is: 290,543,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,146,916.90 : 577,795,024.95 = 193,670,692.90 : x
  2. Step 2: Convert to fraction form
    385,146,916.90/577,795,024.95 = 193,670,692.90/x
  3. Step 3: Cross multiply
    385,146,916.90x = 577,795,024.95 × 193,670,692.90
  4. Step 4: Simplify right side
    385,146,916.90x = 111,901,962,836,239,296
  5. Step 5: Solve for x
    x = 111,901,962,836,239,296/385,146,916.90
  6. Step 6: Final answer
    x = 290,543,576.82

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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.