Home / 718,675,456.40-1,075,997,645.40-698,520,064.40

Finding the Fourth Proportional to 718,675,456.40, 1,075,997,645.40 and 698,520,064.40

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Solution

The fourth proportional to 718,675,456.40, 1,075,997,645.40 and 698,520,064.40 is: 1,045,821,083.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,675,456.40 : 1,075,997,645.40 = 698,520,064.40 : x
  2. Step 2: Convert to fraction form
    718,675,456.40/1,075,997,645.40 = 698,520,064.40/x
  3. Step 3: Cross multiply
    718,675,456.40x = 1,075,997,645.40 × 698,520,064.40
  4. Step 4: Simplify right side
    718,675,456.40x = 751,605,944,559,056,384
  5. Step 5: Solve for x
    x = 751,605,944,559,056,384/718,675,456.40
  6. Step 6: Final answer
    x = 1,045,821,083.59

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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.