Home / 670,356,533.20-1,005,679,531.02-204,054,420.61

Finding the Fourth Proportional to 670,356,533.20, 1,005,679,531.02 and 204,054,420.61

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Solution

The fourth proportional to 670,356,533.20, 1,005,679,531.02 and 204,054,420.61 is: 306,125,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,356,533.20 : 1,005,679,531.02 = 204,054,420.61 : x
  2. Step 2: Convert to fraction form
    670,356,533.20/1,005,679,531.02 = 204,054,420.61/x
  3. Step 3: Cross multiply
    670,356,533.20x = 1,005,679,531.02 × 204,054,420.61
  4. Step 4: Simplify right side
    670,356,533.20x = 205,213,354,021,622,624
  5. Step 5: Solve for x
    x = 205,213,354,021,622,624/670,356,533.20
  6. Step 6: Final answer
    x = 306,125,686.64

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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.