Home / 5,318,784,006.10-7,978,176,009.15-3,359,679,903.70

Finding the Fourth Proportional to 5,318,784,006.10, 7,978,176,009.15 and 3,359,679,903.70

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Solution

The fourth proportional to 5,318,784,006.10, 7,978,176,009.15 and 3,359,679,903.70 is: 5,039,519,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,006.10 : 7,978,176,009.15 = 3,359,679,903.70 : x
  2. Step 2: Convert to fraction form
    5,318,784,006.10/7,978,176,009.15 = 3,359,679,903.70/x
  3. Step 3: Cross multiply
    5,318,784,006.10x = 7,978,176,009.15 × 3,359,679,903.70
  4. Step 4: Simplify right side
    5,318,784,006.10x = 26,804,117,606,122,721,280
  5. Step 5: Solve for x
    x = 26,804,117,606,122,721,280/5,318,784,006.10
  6. Step 6: Final answer
    x = 5,039,519,855.55

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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.