Home / 376,528,542.60-564,792,813.90-316,263,133.20

Finding the Fourth Proportional to 376,528,542.60, 564,792,813.90 and 316,263,133.20

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Solution

The fourth proportional to 376,528,542.60, 564,792,813.90 and 316,263,133.20 is: 474,394,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,528,542.60 : 564,792,813.90 = 316,263,133.20 : x
  2. Step 2: Convert to fraction form
    376,528,542.60/564,792,813.90 = 316,263,133.20/x
  3. Step 3: Cross multiply
    376,528,542.60x = 564,792,813.90 × 316,263,133.20
  4. Step 4: Simplify right side
    376,528,542.60x = 178,623,144,932,858,496
  5. Step 5: Solve for x
    x = 178,623,144,932,858,496/376,528,542.60
  6. Step 6: Final answer
    x = 474,394,699.80

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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.