Home / 639,724,000.60-959,586,039.78-155,049,808.60

Finding the Fourth Proportional to 639,724,000.60, 959,586,039.78 and 155,049,808.60

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Solution

The fourth proportional to 639,724,000.60, 959,586,039.78 and 155,049,808.60 is: 232,574,722.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,724,000.60 : 959,586,039.78 = 155,049,808.60 : x
  2. Step 2: Convert to fraction form
    639,724,000.60/959,586,039.78 = 155,049,808.60/x
  3. Step 3: Cross multiply
    639,724,000.60x = 959,586,039.78 × 155,049,808.60
  4. Step 4: Simplify right side
    639,724,000.60x = 148,783,631,803,120,960
  5. Step 5: Solve for x
    x = 148,783,631,803,120,960/639,724,000.60
  6. Step 6: Final answer
    x = 232,574,722.32

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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.