Home / 1,674,262,086.80-2,511,393,130.20-509,721,328.40

Finding the Fourth Proportional to 1,674,262,086.80, 2,511,393,130.20 and 509,721,328.40

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Solution

The fourth proportional to 1,674,262,086.80, 2,511,393,130.20 and 509,721,328.40 is: 764,581,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,262,086.80 : 2,511,393,130.20 = 509,721,328.40 : x
  2. Step 2: Convert to fraction form
    1,674,262,086.80/2,511,393,130.20 = 509,721,328.40/x
  3. Step 3: Cross multiply
    1,674,262,086.80x = 2,511,393,130.20 × 509,721,328.40
  4. Step 4: Simplify right side
    1,674,262,086.80x = 1,280,110,642,460,177,920
  5. Step 5: Solve for x
    x = 1,280,110,642,460,177,920/1,674,262,086.80
  6. Step 6: Final answer
    x = 764,581,992.60

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Half scale
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Double scale
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Similar ratio
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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.