Home / 779,797,664,459.75-1,075,724,731,815.80-509,294,365,520.90

Finding the Fourth Proportional to 779,797,664,459.75, 1,075,724,731,815.80 and 509,294,365,520.90

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Solution

The fourth proportional to 779,797,664,459.75, 1,075,724,731,815.80 and 509,294,365,520.90 is: 702,567,563,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,797,664,459.75 : 1,075,724,731,815.80 = 509,294,365,520.90 : x
  2. Step 2: Convert to fraction form
    779,797,664,459.75/1,075,724,731,815.80 = 509,294,365,520.90/x
  3. Step 3: Cross multiply
    779,797,664,459.75x = 1,075,724,731,815.80 × 509,294,365,520.90
  4. Step 4: Simplify right side
    779,797,664,459.75x = 547,860,544,765,268,252,950,528
  5. Step 5: Solve for x
    x = 547,860,544,765,268,252,950,528/779,797,664,459.75
  6. Step 6: Final answer
    x = 702,567,563,016.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.