Home / 1,649,320,845.18-2,475,773,907.93-667,423,396.86

Finding the Fourth Proportional to 1,649,320,845.18, 2,475,773,907.93 and 667,423,396.86

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Solution

The fourth proportional to 1,649,320,845.18, 2,475,773,907.93 and 667,423,396.86 is: 1,001,860,515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,320,845.18 : 2,475,773,907.93 = 667,423,396.86 : x
  2. Step 2: Convert to fraction form
    1,649,320,845.18/2,475,773,907.93 = 667,423,396.86/x
  3. Step 3: Cross multiply
    1,649,320,845.18x = 2,475,773,907.93 × 667,423,396.86
  4. Step 4: Simplify right side
    1,649,320,845.18x = 1,652,389,431,487,997,440
  5. Step 5: Solve for x
    x = 1,652,389,431,487,997,440/1,649,320,845.18
  6. Step 6: Final answer
    x = 1,001,860,515.08

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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.