Home / 1,231,468,125.17-1,699,425,475.98-666,953,033.04

Finding the Fourth Proportional to 1,231,468,125.17, 1,699,425,475.98 and 666,953,033.04

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Solution

The fourth proportional to 1,231,468,125.17, 1,699,425,475.98 and 666,953,033.04 is: 920,394,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,468,125.17 : 1,699,425,475.98 = 666,953,033.04 : x
  2. Step 2: Convert to fraction form
    1,231,468,125.17/1,699,425,475.98 = 666,953,033.04/x
  3. Step 3: Cross multiply
    1,231,468,125.17x = 1,699,425,475.98 × 666,953,033.04
  4. Step 4: Simplify right side
    1,231,468,125.17x = 1,133,436,975,630,306,560
  5. Step 5: Solve for x
    x = 1,133,436,975,630,306,560/1,231,468,125.17
  6. Step 6: Final answer
    x = 920,394,894.90

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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.