Home / 511,559,993.40-767,339,990.10-188,569,836.60

Finding the Fourth Proportional to 511,559,993.40, 767,339,990.10 and 188,569,836.60

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Solution

The fourth proportional to 511,559,993.40, 767,339,990.10 and 188,569,836.60 is: 282,854,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,559,993.40 : 767,339,990.10 = 188,569,836.60 : x
  2. Step 2: Convert to fraction form
    511,559,993.40/767,339,990.10 = 188,569,836.60/x
  3. Step 3: Cross multiply
    511,559,993.40x = 767,339,990.10 × 188,569,836.60
  4. Step 4: Simplify right side
    511,559,993.40x = 144,697,176,549,802,624
  5. Step 5: Solve for x
    x = 144,697,176,549,802,624/511,559,993.40
  6. Step 6: Final answer
    x = 282,854,754.90

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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.