Home / 400,838,621,569.20-601,257,932,353.80-135,843,007,093.20

Finding the Fourth Proportional to 400,838,621,569.20, 601,257,932,353.80 and 135,843,007,093.20

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Solution

The fourth proportional to 400,838,621,569.20, 601,257,932,353.80 and 135,843,007,093.20 is: 203,764,510,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,838,621,569.20 : 601,257,932,353.80 = 135,843,007,093.20 : x
  2. Step 2: Convert to fraction form
    400,838,621,569.20/601,257,932,353.80 = 135,843,007,093.20/x
  3. Step 3: Cross multiply
    400,838,621,569.20x = 601,257,932,353.80 × 135,843,007,093.20
  4. Step 4: Simplify right side
    400,838,621,569.20x = 81,676,685,569,580,026,822,656
  5. Step 5: Solve for x
    x = 81,676,685,569,580,026,822,656/400,838,621,569.20
  6. Step 6: Final answer
    x = 203,764,510,639.80

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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.