Home / 1,140,351,074.46-1,573,684,496.20-618,830,306.46

Finding the Fourth Proportional to 1,140,351,074.46, 1,573,684,496.20 and 618,830,306.46

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Solution

The fourth proportional to 1,140,351,074.46, 1,573,684,496.20 and 618,830,306.46 is: 853,985,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,351,074.46 : 1,573,684,496.20 = 618,830,306.46 : x
  2. Step 2: Convert to fraction form
    1,140,351,074.46/1,573,684,496.20 = 618,830,306.46/x
  3. Step 3: Cross multiply
    1,140,351,074.46x = 1,573,684,496.20 × 618,830,306.46
  4. Step 4: Simplify right side
    1,140,351,074.46x = 973,843,659,054,796,800
  5. Step 5: Solve for x
    x = 973,843,659,054,796,800/1,140,351,074.46
  6. Step 6: Final answer
    x = 853,985,830.21

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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.