Home / 619,239,101.52-854,550,099.59-340,780,625.05

Finding the Fourth Proportional to 619,239,101.52, 854,550,099.59 and 340,780,625.05

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Solution

The fourth proportional to 619,239,101.52, 854,550,099.59 and 340,780,625.05 is: 470,277,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,239,101.52 : 854,550,099.59 = 340,780,625.05 : x
  2. Step 2: Convert to fraction form
    619,239,101.52/854,550,099.59 = 340,780,625.05/x
  3. Step 3: Cross multiply
    619,239,101.52x = 854,550,099.59 × 340,780,625.05
  4. Step 4: Simplify right side
    619,239,101.52x = 291,214,117,075,252,416
  5. Step 5: Solve for x
    x = 291,214,117,075,252,416/619,239,101.52
  6. Step 6: Final answer
    x = 470,277,339.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.