Home / 492,076,479.60-738,221,007.60-147,064,982.40

Finding the Fourth Proportional to 492,076,479.60, 738,221,007.60 and 147,064,982.40

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Solution

The fourth proportional to 492,076,479.60, 738,221,007.60 and 147,064,982.40 is: 220,629,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,076,479.60 : 738,221,007.60 = 147,064,982.40 : x
  2. Step 2: Convert to fraction form
    492,076,479.60/738,221,007.60 = 147,064,982.40/x
  3. Step 3: Cross multiply
    492,076,479.60x = 738,221,007.60 × 147,064,982.40
  4. Step 4: Simplify right side
    492,076,479.60x = 108,566,459,490,004,272
  5. Step 5: Solve for x
    x = 108,566,459,490,004,272/492,076,479.60
  6. Step 6: Final answer
    x = 220,629,239.54

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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.