Home / 698,956,933.07-964,581,066.90-381,437,680.30

Finding the Fourth Proportional to 698,956,933.07, 964,581,066.90 and 381,437,680.30

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Solution

The fourth proportional to 698,956,933.07, 964,581,066.90 and 381,437,680.30 is: 526,395,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,956,933.07 : 964,581,066.90 = 381,437,680.30 : x
  2. Step 2: Convert to fraction form
    698,956,933.07/964,581,066.90 = 381,437,680.30/x
  3. Step 3: Cross multiply
    698,956,933.07x = 964,581,066.90 × 381,437,680.30
  4. Step 4: Simplify right side
    698,956,933.07x = 367,927,564,617,223,680
  5. Step 5: Solve for x
    x = 367,927,564,617,223,680/698,956,933.07
  6. Step 6: Final answer
    x = 526,395,185.75

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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.