Home / 330,095,780.40-495,143,670.60-305,153,482.80

Finding the Fourth Proportional to 330,095,780.40, 495,143,670.60 and 305,153,482.80

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Solution

The fourth proportional to 330,095,780.40, 495,143,670.60 and 305,153,482.80 is: 457,730,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,095,780.40 : 495,143,670.60 = 305,153,482.80 : x
  2. Step 2: Convert to fraction form
    330,095,780.40/495,143,670.60 = 305,153,482.80/x
  3. Step 3: Cross multiply
    330,095,780.40x = 495,143,670.60 × 305,153,482.80
  4. Step 4: Simplify right side
    330,095,780.40x = 151,094,815,569,965,984
  5. Step 5: Solve for x
    x = 151,094,815,569,965,984/330,095,780.40
  6. Step 6: Final answer
    x = 457,730,224.20

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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.