Home / 749,928,986.40-1,124,893,479.60-204,725,632.80

Finding the Fourth Proportional to 749,928,986.40, 1,124,893,479.60 and 204,725,632.80

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Solution

The fourth proportional to 749,928,986.40, 1,124,893,479.60 and 204,725,632.80 is: 307,088,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,928,986.40 : 1,124,893,479.60 = 204,725,632.80 : x
  2. Step 2: Convert to fraction form
    749,928,986.40/1,124,893,479.60 = 204,725,632.80/x
  3. Step 3: Cross multiply
    749,928,986.40x = 1,124,893,479.60 × 204,725,632.80
  4. Step 4: Simplify right side
    749,928,986.40x = 230,294,529,443,703,872
  5. Step 5: Solve for x
    x = 230,294,529,443,703,872/749,928,986.40
  6. Step 6: Final answer
    x = 307,088,449.20

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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.