Home / 9,479,145,821.25-13,081,060,918.31-5,249,966,907.90

Finding the Fourth Proportional to 9,479,145,821.25, 13,081,060,918.31 and 5,249,966,907.90

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Solution

The fourth proportional to 9,479,145,821.25, 13,081,060,918.31 and 5,249,966,907.90 is: 7,244,865,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479,145,821.25 : 13,081,060,918.31 = 5,249,966,907.90 : x
  2. Step 2: Convert to fraction form
    9,479,145,821.25/13,081,060,918.31 = 5,249,966,907.90/x
  3. Step 3: Cross multiply
    9,479,145,821.25x = 13,081,060,918.31 × 5,249,966,907.90
  4. Step 4: Simplify right side
    9,479,145,821.25x = 68,675,136,941,351,477,248
  5. Step 5: Solve for x
    x = 68,675,136,941,351,477,248/9,479,145,821.25
  6. Step 6: Final answer
    x = 7,244,865,543.41

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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.