Home / 667,792,537.84-1,000,667,323.65-356,944,393.18

Finding the Fourth Proportional to 667,792,537.84, 1,000,667,323.65 and 356,944,393.18

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Solution

The fourth proportional to 667,792,537.84, 1,000,667,323.65 and 356,944,393.18 is: 534,870,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,792,537.84 : 1,000,667,323.65 = 356,944,393.18 : x
  2. Step 2: Convert to fraction form
    667,792,537.84/1,000,667,323.65 = 356,944,393.18/x
  3. Step 3: Cross multiply
    667,792,537.84x = 1,000,667,323.65 × 356,944,393.18
  4. Step 4: Simplify right side
    667,792,537.84x = 357,182,590,614,064,128
  5. Step 5: Solve for x
    x = 357,182,590,614,064,128/667,792,537.84
  6. Step 6: Final answer
    x = 534,870,592.84

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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.