Home / 10,621,137,619.93-15,923,852,270.75-6,423,157,152.29

Finding the Fourth Proportional to 10,621,137,619.93, 15,923,852,270.75 and 6,423,157,152.29

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Solution

The fourth proportional to 10,621,137,619.93, 15,923,852,270.75 and 6,423,157,152.29 is: 9,629,985,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621,137,619.93 : 15,923,852,270.75 = 6,423,157,152.29 : x
  2. Step 2: Convert to fraction form
    10,621,137,619.93/15,923,852,270.75 = 6,423,157,152.29/x
  3. Step 3: Cross multiply
    10,621,137,619.93x = 15,923,852,270.75 × 6,423,157,152.29
  4. Step 4: Simplify right side
    10,621,137,619.93x = 102,281,405,604,877,221,888
  5. Step 5: Solve for x
    x = 102,281,405,604,877,221,888/10,621,137,619.93
  6. Step 6: Final answer
    x = 9,629,985,907.81

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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.