Home / 664,848,187.80-997,272,281.70-302,051,131.80

Finding the Fourth Proportional to 664,848,187.80, 997,272,281.70 and 302,051,131.80

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Solution

The fourth proportional to 664,848,187.80, 997,272,281.70 and 302,051,131.80 is: 453,076,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,187.80 : 997,272,281.70 = 302,051,131.80 : x
  2. Step 2: Convert to fraction form
    664,848,187.80/997,272,281.70 = 302,051,131.80/x
  3. Step 3: Cross multiply
    664,848,187.80x = 997,272,281.70 × 302,051,131.80
  4. Step 4: Simplify right side
    664,848,187.80x = 301,227,221,400,253,440
  5. Step 5: Solve for x
    x = 301,227,221,400,253,440/664,848,187.80
  6. Step 6: Final answer
    x = 453,076,697.70

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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.