Home / 561,696,087.60-840,901,840.20-400,452,951.60

Finding the Fourth Proportional to 561,696,087.60, 840,901,840.20 and 400,452,951.60

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Solution

The fourth proportional to 561,696,087.60, 840,901,840.20 and 400,452,951.60 is: 599,508,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,696,087.60 : 840,901,840.20 = 400,452,951.60 : x
  2. Step 2: Convert to fraction form
    561,696,087.60/840,901,840.20 = 400,452,951.60/x
  3. Step 3: Cross multiply
    561,696,087.60x = 840,901,840.20 × 400,452,951.60
  4. Step 4: Simplify right side
    561,696,087.60x = 336,741,623,913,961,600
  5. Step 5: Solve for x
    x = 336,741,623,913,961,600/561,696,087.60
  6. Step 6: Final answer
    x = 599,508,580.08

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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.