Home / 28,139,840,254.53-42,211,117,922.56-9,252,709,774.56

Finding the Fourth Proportional to 28,139,840,254.53, 42,211,117,922.56 and 9,252,709,774.56

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Solution

The fourth proportional to 28,139,840,254.53, 42,211,117,922.56 and 9,252,709,774.56 is: 13,879,511,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,139,840,254.53 : 42,211,117,922.56 = 9,252,709,774.56 : x
  2. Step 2: Convert to fraction form
    28,139,840,254.53/42,211,117,922.56 = 9,252,709,774.56/x
  3. Step 3: Cross multiply
    28,139,840,254.53x = 42,211,117,922.56 × 9,252,709,774.56
  4. Step 4: Simplify right side
    28,139,840,254.53x = 390,567,223,397,175,656,448
  5. Step 5: Solve for x
    x = 390,567,223,397,175,656,448/28,139,840,254.53
  6. Step 6: Final answer
    x = 13,879,511,037.18

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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.