Home / 1,339,822,899.30-2,009,830,339.08-357,244,291.62

Finding the Fourth Proportional to 1,339,822,899.30, 2,009,830,339.08 and 357,244,291.62

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Solution

The fourth proportional to 1,339,822,899.30, 2,009,830,339.08 and 357,244,291.62 is: 535,892,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,822,899.30 : 2,009,830,339.08 = 357,244,291.62 : x
  2. Step 2: Convert to fraction form
    1,339,822,899.30/2,009,830,339.08 = 357,244,291.62/x
  3. Step 3: Cross multiply
    1,339,822,899.30x = 2,009,830,339.08 × 357,244,291.62
  4. Step 4: Simplify right side
    1,339,822,899.30x = 718,000,415,761,019,008
  5. Step 5: Solve for x
    x = 718,000,415,761,019,008/1,339,822,899.30
  6. Step 6: Final answer
    x = 535,892,031.80

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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.