Home / 733,151,520.89-1,011,741,985.82-398,624,038.77

Finding the Fourth Proportional to 733,151,520.89, 1,011,741,985.82 and 398,624,038.77

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Solution

The fourth proportional to 733,151,520.89, 1,011,741,985.82 and 398,624,038.77 is: 550,097,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,151,520.89 : 1,011,741,985.82 = 398,624,038.77 : x
  2. Step 2: Convert to fraction form
    733,151,520.89/1,011,741,985.82 = 398,624,038.77/x
  3. Step 3: Cross multiply
    733,151,520.89x = 1,011,741,985.82 × 398,624,038.77
  4. Step 4: Simplify right side
    733,151,520.89x = 403,304,676,581,745,024
  5. Step 5: Solve for x
    x = 403,304,676,581,745,024/733,151,520.89
  6. Step 6: Final answer
    x = 550,097,306.07

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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.