Home / 670,128,000.80-1,005,192,001.20-452,449,767.20

Finding the Fourth Proportional to 670,128,000.80, 1,005,192,001.20 and 452,449,767.20

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Solution

The fourth proportional to 670,128,000.80, 1,005,192,001.20 and 452,449,767.20 is: 678,674,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,128,000.80 : 1,005,192,001.20 = 452,449,767.20 : x
  2. Step 2: Convert to fraction form
    670,128,000.80/1,005,192,001.20 = 452,449,767.20/x
  3. Step 3: Cross multiply
    670,128,000.80x = 1,005,192,001.20 × 452,449,767.20
  4. Step 4: Simplify right side
    670,128,000.80x = 454,798,886,934,242,112
  5. Step 5: Solve for x
    x = 454,798,886,934,242,112/670,128,000.80
  6. Step 6: Final answer
    x = 678,674,650.80

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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.