Home / 553,528,924.92-763,831,554.66-305,990,793

Finding the Fourth Proportional to 553,528,924.92, 763,831,554.66 and 305,990,793

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Solution

The fourth proportional to 553,528,924.92, 763,831,554.66 and 305,990,793 is: 422,246,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,528,924.92 : 763,831,554.66 = 305,990,793 : x
  2. Step 2: Convert to fraction form
    553,528,924.92/763,831,554.66 = 305,990,793/x
  3. Step 3: Cross multiply
    553,528,924.92x = 763,831,554.66 × 305,990,793
  4. Step 4: Simplify right side
    553,528,924.92x = 233,725,423,128,836,224
  5. Step 5: Solve for x
    x = 233,725,423,128,836,224/553,528,924.92
  6. Step 6: Final answer
    x = 422,246,087.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.