Home / 718,675,586.40-1,075,997,840.40-698,520,194.40

Finding the Fourth Proportional to 718,675,586.40, 1,075,997,840.40 and 698,520,194.40

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Solution

The fourth proportional to 718,675,586.40, 1,075,997,840.40 and 698,520,194.40 is: 1,045,821,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,675,586.40 : 1,075,997,840.40 = 698,520,194.40 : x
  2. Step 2: Convert to fraction form
    718,675,586.40/1,075,997,840.40 = 698,520,194.40/x
  3. Step 3: Cross multiply
    718,675,586.40x = 1,075,997,840.40 × 698,520,194.40
  4. Step 4: Simplify right side
    718,675,586.40x = 751,606,220,650,188,160
  5. Step 5: Solve for x
    x = 751,606,220,650,188,160/718,675,586.40
  6. Step 6: Final answer
    x = 1,045,821,278.58

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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.