Home / 1,225,627,628.76-1,838,305,214.10-438,649,500.60

Finding the Fourth Proportional to 1,225,627,628.76, 1,838,305,214.10 and 438,649,500.60

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Solution

The fourth proportional to 1,225,627,628.76, 1,838,305,214.10 and 438,649,500.60 is: 657,925,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,627,628.76 : 1,838,305,214.10 = 438,649,500.60 : x
  2. Step 2: Convert to fraction form
    1,225,627,628.76/1,838,305,214.10 = 438,649,500.60/x
  3. Step 3: Cross multiply
    1,225,627,628.76x = 1,838,305,214.10 × 438,649,500.60
  4. Step 4: Simplify right side
    1,225,627,628.76x = 806,371,664,115,341,056
  5. Step 5: Solve for x
    x = 806,371,664,115,341,056/1,225,627,628.76
  6. Step 6: Final answer
    x = 657,925,494.82

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1.5x scale

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.