Home / 1,608,144,890.40-2,412,217,335.60-688,114,231.20

Finding the Fourth Proportional to 1,608,144,890.40, 2,412,217,335.60 and 688,114,231.20

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Solution

The fourth proportional to 1,608,144,890.40, 2,412,217,335.60 and 688,114,231.20 is: 1,032,171,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,144,890.40 : 2,412,217,335.60 = 688,114,231.20 : x
  2. Step 2: Convert to fraction form
    1,608,144,890.40/2,412,217,335.60 = 688,114,231.20/x
  3. Step 3: Cross multiply
    1,608,144,890.40x = 2,412,217,335.60 × 688,114,231.20
  4. Step 4: Simplify right side
    1,608,144,890.40x = 1,659,881,077,373,706,496
  5. Step 5: Solve for x
    x = 1,659,881,077,373,706,496/1,608,144,890.40
  6. Step 6: Final answer
    x = 1,032,171,346.80

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Double scale
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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.