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Finding the Fourth Proportional to 1,224,205,311.40, 1,836,307,967.10 and 1,224,205,311.40

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Solution

The fourth proportional to 1,224,205,311.40, 1,836,307,967.10 and 1,224,205,311.40 is: 1,836,307,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,205,311.40 : 1,836,307,967.10 = 1,224,205,311.40 : x
  2. Step 2: Convert to fraction form
    1,224,205,311.40/1,836,307,967.10 = 1,224,205,311.40/x
  3. Step 3: Cross multiply
    1,224,205,311.40x = 1,836,307,967.10 × 1,224,205,311.40
  4. Step 4: Simplify right side
    1,224,205,311.40x = 2,248,017,966,689,956,608
  5. Step 5: Solve for x
    x = 2,248,017,966,689,956,608/1,224,205,311.40
  6. Step 6: Final answer
    x = 1,836,307,967.10

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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.