Home / 315,524,572.20-473,286,858.30-145,655,260.20

Finding the Fourth Proportional to 315,524,572.20, 473,286,858.30 and 145,655,260.20

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Solution

The fourth proportional to 315,524,572.20, 473,286,858.30 and 145,655,260.20 is: 218,482,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,524,572.20 : 473,286,858.30 = 145,655,260.20 : x
  2. Step 2: Convert to fraction form
    315,524,572.20/473,286,858.30 = 145,655,260.20/x
  3. Step 3: Cross multiply
    315,524,572.20x = 473,286,858.30 × 145,655,260.20
  4. Step 4: Simplify right side
    315,524,572.20x = 68,936,720,494,927,024
  5. Step 5: Solve for x
    x = 68,936,720,494,927,024/315,524,572.20
  6. Step 6: Final answer
    x = 218,482,890.30

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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.