Home / 1,771,820,918.60-2,657,731,377.90-851,475,331.40

Finding the Fourth Proportional to 1,771,820,918.60, 2,657,731,377.90 and 851,475,331.40

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Solution

The fourth proportional to 1,771,820,918.60, 2,657,731,377.90 and 851,475,331.40 is: 1,277,212,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,820,918.60 : 2,657,731,377.90 = 851,475,331.40 : x
  2. Step 2: Convert to fraction form
    1,771,820,918.60/2,657,731,377.90 = 851,475,331.40/x
  3. Step 3: Cross multiply
    1,771,820,918.60x = 2,657,731,377.90 × 851,475,331.40
  4. Step 4: Simplify right side
    1,771,820,918.60x = 2,262,992,705,769,581,056
  5. Step 5: Solve for x
    x = 2,262,992,705,769,581,056/1,771,820,918.60
  6. Step 6: Final answer
    x = 1,277,212,997.10

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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.