Home / 648,368,466.84-970,984,783.13-371,178,971.91

Finding the Fourth Proportional to 648,368,466.84, 970,984,783.13 and 371,178,971.91

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Solution

The fourth proportional to 648,368,466.84, 970,984,783.13 and 371,178,971.91 is: 555,870,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,368,466.84 : 970,984,783.13 = 371,178,971.91 : x
  2. Step 2: Convert to fraction form
    648,368,466.84/970,984,783.13 = 371,178,971.91/x
  3. Step 3: Cross multiply
    648,368,466.84x = 970,984,783.13 × 371,178,971.91
  4. Step 4: Simplify right side
    648,368,466.84x = 360,409,133,540,591,872
  5. Step 5: Solve for x
    x = 360,409,133,540,591,872/648,368,466.84
  6. Step 6: Final answer
    x = 555,870,854.26

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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.