Home / 12,688,716,955.04-17,510,901,966.06-7,608,907,931.12

Finding the Fourth Proportional to 12,688,716,955.04, 17,510,901,966.06 and 7,608,907,931.12

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Solution

The fourth proportional to 12,688,716,955.04, 17,510,901,966.06 and 7,608,907,931.12 is: 10,500,576,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,716,955.04 : 17,510,901,966.06 = 7,608,907,931.12 : x
  2. Step 2: Convert to fraction form
    12,688,716,955.04/17,510,901,966.06 = 7,608,907,931.12/x
  3. Step 3: Cross multiply
    12,688,716,955.04x = 17,510,901,966.06 × 7,608,907,931.12
  4. Step 4: Simplify right side
    12,688,716,955.04x = 133,238,840,850,618,744,832
  5. Step 5: Solve for x
    x = 133,238,840,850,618,744,832/12,688,716,955.04
  6. Step 6: Final answer
    x = 10,500,576,324.83

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Double scale
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1.5x scale

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.