Home / 1,429,591,775.10-2,144,387,662.65-509,135,963.10

Finding the Fourth Proportional to 1,429,591,775.10, 2,144,387,662.65 and 509,135,963.10

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Solution

The fourth proportional to 1,429,591,775.10, 2,144,387,662.65 and 509,135,963.10 is: 763,703,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,591,775.10 : 2,144,387,662.65 = 509,135,963.10 : x
  2. Step 2: Convert to fraction form
    1,429,591,775.10/2,144,387,662.65 = 509,135,963.10/x
  3. Step 3: Cross multiply
    1,429,591,775.10x = 2,144,387,662.65 × 509,135,963.10
  4. Step 4: Simplify right side
    1,429,591,775.10x = 1,091,784,877,883,065,728
  5. Step 5: Solve for x
    x = 1,091,784,877,883,065,728/1,429,591,775.10
  6. Step 6: Final answer
    x = 763,703,944.65

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Half scale
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Double scale
Find fourth proportional to 1,429,591,776.10, 2,144,387,664.15 and 509,135,964.10
Similar ratio
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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.