Home / 695,473,358.40-1,043,210,037.60-372,987,086.40

Finding the Fourth Proportional to 695,473,358.40, 1,043,210,037.60 and 372,987,086.40

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Solution

The fourth proportional to 695,473,358.40, 1,043,210,037.60 and 372,987,086.40 is: 559,480,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,473,358.40 : 1,043,210,037.60 = 372,987,086.40 : x
  2. Step 2: Convert to fraction form
    695,473,358.40/1,043,210,037.60 = 372,987,086.40/x
  3. Step 3: Cross multiply
    695,473,358.40x = 1,043,210,037.60 × 372,987,086.40
  4. Step 4: Simplify right side
    695,473,358.40x = 389,103,872,427,658,432
  5. Step 5: Solve for x
    x = 389,103,872,427,658,432/695,473,358.40
  6. Step 6: Final answer
    x = 559,480,629.60

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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.