Home / 497,664,378.60-746,496,567.90-447,499,847.40

Finding the Fourth Proportional to 497,664,378.60, 746,496,567.90 and 447,499,847.40

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Solution

The fourth proportional to 497,664,378.60, 746,496,567.90 and 447,499,847.40 is: 671,249,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,378.60 : 746,496,567.90 = 447,499,847.40 : x
  2. Step 2: Convert to fraction form
    497,664,378.60/746,496,567.90 = 447,499,847.40/x
  3. Step 3: Cross multiply
    497,664,378.60x = 746,496,567.90 × 447,499,847.40
  4. Step 4: Simplify right side
    497,664,378.60x = 334,057,100,219,873,728
  5. Step 5: Solve for x
    x = 334,057,100,219,873,728/497,664,378.60
  6. Step 6: Final answer
    x = 671,249,771.10

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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.