Home / 718,286,747.70-1,076,913,020.38-441,365,803.96

Finding the Fourth Proportional to 718,286,747.70, 1,076,913,020.38 and 441,365,803.96

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Solution

The fourth proportional to 718,286,747.70, 1,076,913,020.38 and 441,365,803.96 is: 661,730,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,286,747.70 : 1,076,913,020.38 = 441,365,803.96 : x
  2. Step 2: Convert to fraction form
    718,286,747.70/1,076,913,020.38 = 441,365,803.96/x
  3. Step 3: Cross multiply
    718,286,747.70x = 1,076,913,020.38 × 441,365,803.96
  4. Step 4: Simplify right side
    718,286,747.70x = 475,312,581,035,010,624
  5. Step 5: Solve for x
    x = 475,312,581,035,010,624/718,286,747.70
  6. Step 6: Final answer
    x = 661,730,962.68

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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.