Home / 559,872,553.60-839,808,830.40-423,823,657.60

Finding the Fourth Proportional to 559,872,553.60, 839,808,830.40 and 423,823,657.60

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Solution

The fourth proportional to 559,872,553.60, 839,808,830.40 and 423,823,657.60 is: 635,735,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,553.60 : 839,808,830.40 = 423,823,657.60 : x
  2. Step 2: Convert to fraction form
    559,872,553.60/839,808,830.40 = 423,823,657.60/x
  3. Step 3: Cross multiply
    559,872,553.60x = 839,808,830.40 × 423,823,657.60
  4. Step 4: Simplify right side
    559,872,553.60x = 355,930,850,184,906,112
  5. Step 5: Solve for x
    x = 355,930,850,184,906,112/559,872,553.60
  6. Step 6: Final answer
    x = 635,735,486.40

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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.