Home / 664,380,018.90-996,570,028.35-626,116,266.90

Finding the Fourth Proportional to 664,380,018.90, 996,570,028.35 and 626,116,266.90

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Solution

The fourth proportional to 664,380,018.90, 996,570,028.35 and 626,116,266.90 is: 939,174,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,380,018.90 : 996,570,028.35 = 626,116,266.90 : x
  2. Step 2: Convert to fraction form
    664,380,018.90/996,570,028.35 = 626,116,266.90/x
  3. Step 3: Cross multiply
    664,380,018.90x = 996,570,028.35 × 626,116,266.90
  4. Step 4: Simplify right side
    664,380,018.90x = 623,968,705,854,929,152
  5. Step 5: Solve for x
    x = 623,968,705,854,929,152/664,380,018.90
  6. Step 6: Final answer
    x = 939,174,400.35

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Double scale
Find fourth proportional to 664,380,019.90, 996,570,029.85 and 626,116,267.90
Similar ratio
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1.5x scale

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.