Home / 990,111,774.50-1,366,365,123.87-544,075,253.18

Finding the Fourth Proportional to 990,111,774.50, 1,366,365,123.87 and 544,075,253.18

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Solution

The fourth proportional to 990,111,774.50, 1,366,365,123.87 and 544,075,253.18 is: 750,829,825.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,111,774.50 : 1,366,365,123.87 = 544,075,253.18 : x
  2. Step 2: Convert to fraction form
    990,111,774.50/1,366,365,123.87 = 544,075,253.18/x
  3. Step 3: Cross multiply
    990,111,774.50x = 1,366,365,123.87 × 544,075,253.18
  4. Step 4: Simplify right side
    990,111,774.50x = 743,405,450,705,892,224
  5. Step 5: Solve for x
    x = 743,405,450,705,892,224/990,111,774.50
  6. Step 6: Final answer
    x = 750,829,825.33

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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.