Home / 492,143,331.58-738,376,644.30-201,255,114.40

Finding the Fourth Proportional to 492,143,331.58, 738,376,644.30 and 201,255,114.40

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Solution

The fourth proportional to 492,143,331.58, 738,376,644.30 and 201,255,114.40 is: 301,948,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,143,331.58 : 738,376,644.30 = 201,255,114.40 : x
  2. Step 2: Convert to fraction form
    492,143,331.58/738,376,644.30 = 201,255,114.40/x
  3. Step 3: Cross multiply
    492,143,331.58x = 738,376,644.30 × 201,255,114.40
  4. Step 4: Simplify right side
    492,143,331.58x = 148,602,076,018,884,608
  5. Step 5: Solve for x
    x = 148,602,076,018,884,608/492,143,331.58
  6. Step 6: Final answer
    x = 301,948,774.85

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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.