Home / 7,169,565,149,144.80-9,894,029,715,185.60-3,877,312,978,597.20

Finding the Fourth Proportional to 7,169,565,149,144.80, 9,894,029,715,185.60 and 3,877,312,978,597.20

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Solution

The fourth proportional to 7,169,565,149,144.80, 9,894,029,715,185.60 and 3,877,312,978,597.20 is: 5,350,708,031,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,565,149,144.80 : 9,894,029,715,185.60 = 3,877,312,978,597.20 : x
  2. Step 2: Convert to fraction form
    7,169,565,149,144.80/9,894,029,715,185.60 = 3,877,312,978,597.20/x
  3. Step 3: Cross multiply
    7,169,565,149,144.80x = 9,894,029,715,185.60 × 3,877,312,978,597.20
  4. Step 4: Simplify right side
    7,169,565,149,144.80x = 38,362,249,825,315,484,537,454,592
  5. Step 5: Solve for x
    x = 38,362,249,825,315,484,537,454,592/7,169,565,149,144.80
  6. Step 6: Final answer
    x = 5,350,708,031,419.65

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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.