Home / 1,476,456,001.20-2,214,684,001.80-385,939,069.20

Finding the Fourth Proportional to 1,476,456,001.20, 2,214,684,001.80 and 385,939,069.20

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Solution

The fourth proportional to 1,476,456,001.20, 2,214,684,001.80 and 385,939,069.20 is: 578,908,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,456,001.20 : 2,214,684,001.80 = 385,939,069.20 : x
  2. Step 2: Convert to fraction form
    1,476,456,001.20/2,214,684,001.80 = 385,939,069.20/x
  3. Step 3: Cross multiply
    1,476,456,001.20x = 2,214,684,001.80 × 385,939,069.20
  4. Step 4: Simplify right side
    1,476,456,001.20x = 854,733,082,226,823,168
  5. Step 5: Solve for x
    x = 854,733,082,226,823,168/1,476,456,001.20
  6. Step 6: Final answer
    x = 578,908,603.80

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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.