Home / 3,688,385,715.09-5,090,012,670.69-2,017,634,872.68

Finding the Fourth Proportional to 3,688,385,715.09, 5,090,012,670.69 and 2,017,634,872.68

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Solution

The fourth proportional to 3,688,385,715.09, 5,090,012,670.69 and 2,017,634,872.68 is: 2,784,358,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,385,715.09 : 5,090,012,670.69 = 2,017,634,872.68 : x
  2. Step 2: Convert to fraction form
    3,688,385,715.09/5,090,012,670.69 = 2,017,634,872.68/x
  3. Step 3: Cross multiply
    3,688,385,715.09x = 5,090,012,670.69 × 2,017,634,872.68
  4. Step 4: Simplify right side
    3,688,385,715.09x = 10,269,787,066,767,204,352
  5. Step 5: Solve for x
    x = 10,269,787,066,767,204,352/3,688,385,715.09
  6. Step 6: Final answer
    x = 2,784,358,215.24

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Double scale
Find fourth proportional to 3,688,385,716.09, 5,090,012,672.07 and 2,017,634,873.68
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.