Home / 728,064,420.40-1,092,096,630.60-455,966,628.40

Finding the Fourth Proportional to 728,064,420.40, 1,092,096,630.60 and 455,966,628.40

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Solution

The fourth proportional to 728,064,420.40, 1,092,096,630.60 and 455,966,628.40 is: 683,949,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,064,420.40 : 1,092,096,630.60 = 455,966,628.40 : x
  2. Step 2: Convert to fraction form
    728,064,420.40/1,092,096,630.60 = 455,966,628.40/x
  3. Step 3: Cross multiply
    728,064,420.40x = 1,092,096,630.60 × 455,966,628.40
  4. Step 4: Simplify right side
    728,064,420.40x = 497,959,618,541,682,176
  5. Step 5: Solve for x
    x = 497,959,618,541,682,176/728,064,420.40
  6. Step 6: Final answer
    x = 683,949,942.60

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1.5x scale

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.