Home / 768,273,368.16-1,060,318,174.32-438,172,836.96

Finding the Fourth Proportional to 768,273,368.16, 1,060,318,174.32 and 438,172,836.96

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Solution

The fourth proportional to 768,273,368.16, 1,060,318,174.32 and 438,172,836.96 is: 604,736,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,273,368.16 : 1,060,318,174.32 = 438,172,836.96 : x
  2. Step 2: Convert to fraction form
    768,273,368.16/1,060,318,174.32 = 438,172,836.96/x
  3. Step 3: Cross multiply
    768,273,368.16x = 1,060,318,174.32 × 438,172,836.96
  4. Step 4: Simplify right side
    768,273,368.16x = 464,602,622,522,042,240
  5. Step 5: Solve for x
    x = 464,602,622,522,042,240/768,273,368.16
  6. Step 6: Final answer
    x = 604,736,076.74

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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.