Home / 1,339,822,897.80-2,009,830,336.83-357,244,290.09

Finding the Fourth Proportional to 1,339,822,897.80, 2,009,830,336.83 and 357,244,290.09

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Solution

The fourth proportional to 1,339,822,897.80, 2,009,830,336.83 and 357,244,290.09 is: 535,892,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,822,897.80 : 2,009,830,336.83 = 357,244,290.09 : x
  2. Step 2: Convert to fraction form
    1,339,822,897.80/2,009,830,336.83 = 357,244,290.09/x
  3. Step 3: Cross multiply
    1,339,822,897.80x = 2,009,830,336.83 × 357,244,290.09
  4. Step 4: Simplify right side
    1,339,822,897.80x = 718,000,411,882,178,816
  5. Step 5: Solve for x
    x = 718,000,411,882,178,816/1,339,822,897.80
  6. Step 6: Final answer
    x = 535,892,029.51

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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.