Home / 1,300,752,005.40-1,950,482,405.70-471,672,552.60

Finding the Fourth Proportional to 1,300,752,005.40, 1,950,482,405.70 and 471,672,552.60

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Solution

The fourth proportional to 1,300,752,005.40, 1,950,482,405.70 and 471,672,552.60 is: 707,274,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,752,005.40 : 1,950,482,405.70 = 471,672,552.60 : x
  2. Step 2: Convert to fraction form
    1,300,752,005.40/1,950,482,405.70 = 471,672,552.60/x
  3. Step 3: Cross multiply
    1,300,752,005.40x = 1,950,482,405.70 × 471,672,552.60
  4. Step 4: Simplify right side
    1,300,752,005.40x = 919,989,015,097,907,840
  5. Step 5: Solve for x
    x = 919,989,015,097,907,840/1,300,752,005.40
  6. Step 6: Final answer
    x = 707,274,723.60

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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.