Home / 1,608,144,688.40-2,412,217,032.60-688,114,029.20

Finding the Fourth Proportional to 1,608,144,688.40, 2,412,217,032.60 and 688,114,029.20

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Solution

The fourth proportional to 1,608,144,688.40, 2,412,217,032.60 and 688,114,029.20 is: 1,032,171,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,144,688.40 : 2,412,217,032.60 = 688,114,029.20 : x
  2. Step 2: Convert to fraction form
    1,608,144,688.40/2,412,217,032.60 = 688,114,029.20/x
  3. Step 3: Cross multiply
    1,608,144,688.40x = 2,412,217,032.60 × 688,114,029.20
  4. Step 4: Simplify right side
    1,608,144,688.40x = 1,659,880,381,607,253,760
  5. Step 5: Solve for x
    x = 1,659,880,381,607,253,760/1,608,144,688.40
  6. Step 6: Final answer
    x = 1,032,171,043.80

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Double scale
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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.