Home / 768,273,288.66-1,060,318,064.61-438,172,757.46

Finding the Fourth Proportional to 768,273,288.66, 1,060,318,064.61 and 438,172,757.46

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Solution

The fourth proportional to 768,273,288.66, 1,060,318,064.61 and 438,172,757.46 is: 604,735,967.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,273,288.66 : 1,060,318,064.61 = 438,172,757.46 : x
  2. Step 2: Convert to fraction form
    768,273,288.66/1,060,318,064.61 = 438,172,757.46/x
  3. Step 3: Cross multiply
    768,273,288.66x = 1,060,318,064.61 × 438,172,757.46
  4. Step 4: Simplify right side
    768,273,288.66x = 464,602,490,154,814,144
  5. Step 5: Solve for x
    x = 464,602,490,154,814,144/768,273,288.66
  6. Step 6: Final answer
    x = 604,735,967.02

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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.