Home / 1,543,953,214.80-2,130,671,890.44-839,105,232.66

Finding the Fourth Proportional to 1,543,953,214.80, 2,130,671,890.44 and 839,105,232.66

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Solution

The fourth proportional to 1,543,953,214.80, 2,130,671,890.44 and 839,105,232.66 is: 1,157,974,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,953,214.80 : 2,130,671,890.44 = 839,105,232.66 : x
  2. Step 2: Convert to fraction form
    1,543,953,214.80/2,130,671,890.44 = 839,105,232.66/x
  3. Step 3: Cross multiply
    1,543,953,214.80x = 2,130,671,890.44 × 839,105,232.66
  4. Step 4: Simplify right side
    1,543,953,214.80x = 1,787,857,932,349,778,176
  5. Step 5: Solve for x
    x = 1,787,857,932,349,778,176/1,543,953,214.80
  6. Step 6: Final answer
    x = 1,157,974,163.47

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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.