Home / 670,030,610-1,005,046,282.20-306,269,874.32

Finding the Fourth Proportional to 670,030,610, 1,005,046,282.20 and 306,269,874.32

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Solution

The fourth proportional to 670,030,610, 1,005,046,282.20 and 306,269,874.32 is: 459,404,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,030,610 : 1,005,046,282.20 = 306,269,874.32 : x
  2. Step 2: Convert to fraction form
    670,030,610/1,005,046,282.20 = 306,269,874.32/x
  3. Step 3: Cross multiply
    670,030,610x = 1,005,046,282.20 × 306,269,874.32
  4. Step 4: Simplify right side
    670,030,610x = 307,815,398,535,177,280
  5. Step 5: Solve for x
    x = 307,815,398,535,177,280/670,030,610
  6. Step 6: Final answer
    x = 459,404,979.33

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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.