Home / 411,616,408.59-617,330,421.16-245,666,772.05

Finding the Fourth Proportional to 411,616,408.59, 617,330,421.16 and 245,666,772.05

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Solution

The fourth proportional to 411,616,408.59, 617,330,421.16 and 245,666,772.05 is: 368,443,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,616,408.59 : 617,330,421.16 = 245,666,772.05 : x
  2. Step 2: Convert to fraction form
    411,616,408.59/617,330,421.16 = 245,666,772.05/x
  3. Step 3: Cross multiply
    411,616,408.59x = 617,330,421.16 × 245,666,772.05
  4. Step 4: Simplify right side
    411,616,408.59x = 151,657,571,850,943,392
  5. Step 5: Solve for x
    x = 151,657,571,850,943,392/411,616,408.59
  6. Step 6: Final answer
    x = 368,443,941.22

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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.