Home / 330,095,762.40-495,143,643.60-305,153,464.80

Finding the Fourth Proportional to 330,095,762.40, 495,143,643.60 and 305,153,464.80

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Solution

The fourth proportional to 330,095,762.40, 495,143,643.60 and 305,153,464.80 is: 457,730,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,095,762.40 : 495,143,643.60 = 305,153,464.80 : x
  2. Step 2: Convert to fraction form
    330,095,762.40/495,143,643.60 = 305,153,464.80/x
  3. Step 3: Cross multiply
    330,095,762.40x = 495,143,643.60 × 305,153,464.80
  4. Step 4: Simplify right side
    330,095,762.40x = 151,094,798,418,236,352
  5. Step 5: Solve for x
    x = 151,094,798,418,236,352/330,095,762.40
  6. Step 6: Final answer
    x = 457,730,197.20

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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.