Home / 1,038,052,123.50-1,557,172,796.27-338,364,666.90

Finding the Fourth Proportional to 1,038,052,123.50, 1,557,172,796.27 and 338,364,666.90

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Solution

The fourth proportional to 1,038,052,123.50, 1,557,172,796.27 and 338,364,666.90 is: 507,577,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,052,123.50 : 1,557,172,796.27 = 338,364,666.90 : x
  2. Step 2: Convert to fraction form
    1,038,052,123.50/1,557,172,796.27 = 338,364,666.90/x
  3. Step 3: Cross multiply
    1,038,052,123.50x = 1,557,172,796.27 × 338,364,666.90
  4. Step 4: Simplify right side
    1,038,052,123.50x = 526,892,254,515,640,064
  5. Step 5: Solve for x
    x = 526,892,254,515,640,064/1,038,052,123.50
  6. Step 6: Final answer
    x = 507,577,839.87

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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.