Home / 673,607,114.70-1,010,410,672.05-664,537,188.30

Finding the Fourth Proportional to 673,607,114.70, 1,010,410,672.05 and 664,537,188.30

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Solution

The fourth proportional to 673,607,114.70, 1,010,410,672.05 and 664,537,188.30 is: 996,805,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,607,114.70 : 1,010,410,672.05 = 664,537,188.30 : x
  2. Step 2: Convert to fraction form
    673,607,114.70/1,010,410,672.05 = 664,537,188.30/x
  3. Step 3: Cross multiply
    673,607,114.70x = 1,010,410,672.05 × 664,537,188.30
  4. Step 4: Simplify right side
    673,607,114.70x = 671,455,467,032,420,352
  5. Step 5: Solve for x
    x = 671,455,467,032,420,352/673,607,114.70
  6. Step 6: Final answer
    x = 996,805,782.45

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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.