Home / 418,903,593,456.64-628,355,398,488.70-100,549,792,181.05

Finding the Fourth Proportional to 418,903,593,456.64, 628,355,398,488.70 and 100,549,792,181.05

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Solution

The fourth proportional to 418,903,593,456.64, 628,355,398,488.70 and 100,549,792,181.05 is: 150,824,690,264.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,903,593,456.64 : 628,355,398,488.70 = 100,549,792,181.05 : x
  2. Step 2: Convert to fraction form
    418,903,593,456.64/628,355,398,488.70 = 100,549,792,181.05/x
  3. Step 3: Cross multiply
    418,903,593,456.64x = 628,355,398,488.70 × 100,549,792,181.05
  4. Step 4: Simplify right side
    418,903,593,456.64x = 63,181,004,733,879,641,178,112
  5. Step 5: Solve for x
    x = 63,181,004,733,879,641,178,112/418,903,593,456.64
  6. Step 6: Final answer
    x = 150,824,690,264.73

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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.