Home / 717,010,611.20-1,075,515,916.80-710,208,166.40

Finding the Fourth Proportional to 717,010,611.20, 1,075,515,916.80 and 710,208,166.40

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Solution

The fourth proportional to 717,010,611.20, 1,075,515,916.80 and 710,208,166.40 is: 1,065,312,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,010,611.20 : 1,075,515,916.80 = 710,208,166.40 : x
  2. Step 2: Convert to fraction form
    717,010,611.20/1,075,515,916.80 = 710,208,166.40/x
  3. Step 3: Cross multiply
    717,010,611.20x = 1,075,515,916.80 × 710,208,166.40
  4. Step 4: Simplify right side
    717,010,611.20x = 763,840,187,204,542,848
  5. Step 5: Solve for x
    x = 763,840,187,204,542,848/717,010,611.20
  6. Step 6: Final answer
    x = 1,065,312,249.60

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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.