Home / 1,196,117,872.52-1,794,169,280.08-643,680,524.40

Finding the Fourth Proportional to 1,196,117,872.52, 1,794,169,280.08 and 643,680,524.40

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Solution

The fourth proportional to 1,196,117,872.52, 1,794,169,280.08 and 643,680,524.40 is: 965,516,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,117,872.52 : 1,794,169,280.08 = 643,680,524.40 : x
  2. Step 2: Convert to fraction form
    1,196,117,872.52/1,794,169,280.08 = 643,680,524.40/x
  3. Step 3: Cross multiply
    1,196,117,872.52x = 1,794,169,280.08 × 643,680,524.40
  4. Step 4: Simplify right side
    1,196,117,872.52x = 1,154,871,823,064,264,704
  5. Step 5: Solve for x
    x = 1,154,871,823,064,264,704/1,196,117,872.52
  6. Step 6: Final answer
    x = 965,516,735.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.