Home / 11,921,477,356.32-16,451,989,681.28-6,569,382,477.98

Finding the Fourth Proportional to 11,921,477,356.32, 16,451,989,681.28 and 6,569,382,477.98

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Solution

The fourth proportional to 11,921,477,356.32, 16,451,989,681.28 and 6,569,382,477.98 is: 9,065,941,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,921,477,356.32 : 16,451,989,681.28 = 6,569,382,477.98 : x
  2. Step 2: Convert to fraction form
    11,921,477,356.32/16,451,989,681.28 = 6,569,382,477.98/x
  3. Step 3: Cross multiply
    11,921,477,356.32x = 16,451,989,681.28 × 6,569,382,477.98
  4. Step 4: Simplify right side
    11,921,477,356.32x = 108,079,412,740,108,599,296
  5. Step 5: Solve for x
    x = 108,079,412,740,108,599,296/11,921,477,356.32
  6. Step 6: Final answer
    x = 9,065,941,200.89

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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.