Home / 578,989,662.60-868,484,493.90-517,767,659.40

Finding the Fourth Proportional to 578,989,662.60, 868,484,493.90 and 517,767,659.40

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Solution

The fourth proportional to 578,989,662.60, 868,484,493.90 and 517,767,659.40 is: 776,651,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,989,662.60 : 868,484,493.90 = 517,767,659.40 : x
  2. Step 2: Convert to fraction form
    578,989,662.60/868,484,493.90 = 517,767,659.40/x
  3. Step 3: Cross multiply
    578,989,662.60x = 868,484,493.90 × 517,767,659.40
  4. Step 4: Simplify right side
    578,989,662.60x = 449,673,183,631,796,544
  5. Step 5: Solve for x
    x = 449,673,183,631,796,544/578,989,662.60
  6. Step 6: Final answer
    x = 776,651,489.10

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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.