Home / 497,708,141.80-746,562,212.70-394,915,642.60

Finding the Fourth Proportional to 497,708,141.80, 746,562,212.70 and 394,915,642.60

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Solution

The fourth proportional to 497,708,141.80, 746,562,212.70 and 394,915,642.60 is: 592,373,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,708,141.80 : 746,562,212.70 = 394,915,642.60 : x
  2. Step 2: Convert to fraction form
    497,708,141.80/746,562,212.70 = 394,915,642.60/x
  3. Step 3: Cross multiply
    497,708,141.80x = 746,562,212.70 × 394,915,642.60
  4. Step 4: Simplify right side
    497,708,141.80x = 294,829,095,969,298,432
  5. Step 5: Solve for x
    x = 294,829,095,969,298,432/497,708,141.80
  6. Step 6: Final answer
    x = 592,373,463.90

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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.