Home / 664,356,237.60-996,534,356.40-406,075,911.60

Finding the Fourth Proportional to 664,356,237.60, 996,534,356.40 and 406,075,911.60

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Solution

The fourth proportional to 664,356,237.60, 996,534,356.40 and 406,075,911.60 is: 609,113,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,356,237.60 : 996,534,356.40 = 406,075,911.60 : x
  2. Step 2: Convert to fraction form
    664,356,237.60/996,534,356.40 = 406,075,911.60/x
  3. Step 3: Cross multiply
    664,356,237.60x = 996,534,356.40 × 406,075,911.60
  4. Step 4: Simplify right side
    664,356,237.60x = 404,668,597,215,849,280
  5. Step 5: Solve for x
    x = 404,668,597,215,849,280/664,356,237.60
  6. Step 6: Final answer
    x = 609,113,867.40

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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.