Home / 5,130,597,436.87-7,080,516,215.01-2,872,517,208.07

Finding the Fourth Proportional to 5,130,597,436.87, 7,080,516,215.01 and 2,872,517,208.07

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Solution

The fourth proportional to 5,130,597,436.87, 7,080,516,215.01 and 2,872,517,208.07 is: 3,964,237,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,597,436.87 : 7,080,516,215.01 = 2,872,517,208.07 : x
  2. Step 2: Convert to fraction form
    5,130,597,436.87/7,080,516,215.01 = 2,872,517,208.07/x
  3. Step 3: Cross multiply
    5,130,597,436.87x = 7,080,516,215.01 × 2,872,517,208.07
  4. Step 4: Simplify right side
    5,130,597,436.87x = 20,338,904,669,602,353,152
  5. Step 5: Solve for x
    x = 20,338,904,669,602,353,152/5,130,597,436.87
  6. Step 6: Final answer
    x = 3,964,237,093.22

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1.5x scale

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.