Home / 613,368,333.18-920,339,810.06-302,306,377.84

Finding the Fourth Proportional to 613,368,333.18, 920,339,810.06 and 302,306,377.84

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Solution

The fourth proportional to 613,368,333.18, 920,339,810.06 and 302,306,377.84 is: 453,601,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,368,333.18 : 920,339,810.06 = 302,306,377.84 : x
  2. Step 2: Convert to fraction form
    613,368,333.18/920,339,810.06 = 302,306,377.84/x
  3. Step 3: Cross multiply
    613,368,333.18x = 920,339,810.06 × 302,306,377.84
  4. Step 4: Simplify right side
    613,368,333.18x = 278,224,594,357,379,776
  5. Step 5: Solve for x
    x = 278,224,594,357,379,776/613,368,333.18
  6. Step 6: Final answer
    x = 453,601,171.28

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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.