Home / 1,277,812,166,011.10-1,916,836,078,313.10-417,290,845,452.42

Finding the Fourth Proportional to 1,277,812,166,011.10, 1,916,836,078,313.10 and 417,290,845,452.42

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Solution

The fourth proportional to 1,277,812,166,011.10, 1,916,836,078,313.10 and 417,290,845,452.42 is: 625,974,747,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,812,166,011.10 : 1,916,836,078,313.10 = 417,290,845,452.42 : x
  2. Step 2: Convert to fraction form
    1,277,812,166,011.10/1,916,836,078,313.10 = 417,290,845,452.42/x
  3. Step 3: Cross multiply
    1,277,812,166,011.10x = 1,916,836,078,313.10 × 417,290,845,452.42
  4. Step 4: Simplify right side
    1,277,812,166,011.10x = 799,878,147,712,974,699,102,208
  5. Step 5: Solve for x
    x = 799,878,147,712,974,699,102,208/1,277,812,166,011.10
  6. Step 6: Final answer
    x = 625,974,747,297.90

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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.